History Main / LoveMakesYouCrazy

* ''ComicBook/LegionOfSuperHeroes'': In ''[[ComicBook/Superboy1949 Superboy and the Legion of Super-Heroes]]'' issue #205, Brainiac misses ComicBook/{{Supergirl}} so badly that he builds a Kara robot in his sleep, programming her to run away with him.

* The ultimate cause of ''Manga/TsubasaReservoirChronicle'', as both motivation of the villain Fei Wong (who wants to resurrect the technically-not-dead [[spoiler: Yuuko Ichihara]] and also at one point the motivation of the hero (it's crazy due to what they are both willing to ''do'' -- it's [[LoveMakesYouEvil evil]], yes, but also completely fucking bonkers). At a specific point in the backstory the hero, in the madness of love, chose to turn back time so he could save the girl he was in love with. This act ''borked the entire time-space continuum.''

* ''ComicBook/LegionOfSuperHeroes'': Brainiac 5 is so obsessed with Characters/{{Supergirl|TheCharacter}} that he once built a Kara-alike android in his dream.

* ''Series/MidsomerMurders'': The motive in [[spoiler:"Breaking the Chain"]]. The killer sets out to eliminate everyone they see as standing between their lover and success; including his brother.

* ''Series/InterviewWithTheVampire2022'': By [[Recap/InterviewWithTheVampire2022S1E7TheThingLayStill the Season 1 finale]], Lestat de Lioncourt is no longer thinking rationally when it comes to his boyfriend Louis de Pointe du Lac, with Lestat somehow deluding himself that Louis will finally love him with all of his heart by severely restricting the latter's freedom. Lestat now treats Louis -- a black man who ''deeply'' resents being oppressed by white society -- as his PropertyOfLove and keeps him confined in a GildedCage. Any sensible person would recognize that reducing Louis to a mere love slave would cause him to loathe Lestat even more (Louis has already contemplated suicide as a means to escape from Lestat's DomesticAbuse). Louis' lack of personal autonomy is further worsened when Lestat (who's promiscuous) suddenly foists a VampiresHarem structure upon their relationship without consulting Louis (who's a monogamist) beforehand -- Lestat clearly doesn't care about Louis' opinions or feelings on the matter, and is essentially behaving like a slave owner whose word is law. If Louis being forced into the position of Lestat's [[GenderInvertedTrope male]] TopWife wasn't bad enough, Lestat also intends to [[OffingTheOffspring murder their vampire daughter Claudia]] (whom Louis adores) because [[JealousParent he views her as an impediment to possessing the entirety of Louis' love]]. It's no wonder that Louis is willing to kill his psycho lover in order to regain his freedom and keep Claudia safe, which is the complete opposite of what Lestat wants.

* ''Anime/CodeGeass'': Poor Nina Einstein. She started as an inoffensive ShrinkingViolet, only to develop a crush on [[RebelliousPrincess Princess Euphemia]] after she saved Nina (and others) from terrorists, and went kinda [[PsychoLesbian loopy]], earning her the label of TheScrappy among the fandom. Then things went worse: [[spoiler:Euphemia is killed by the terrorist Zero, which sends Nina off the deep end, leading her to develop the world's first atomic bomb. It fails, but the Britannians hire her as a researcher, and eventually her perfected bomb leads to the destruction of a good chunk of Tokyo and the ten million people in it. Not helping matters at all is the fact that she was practically rabid in ordering its use up until she saw the SphereOfDestruction (and the 35 million deaths) it caused, only then getting her MyGodWhatHaveIDone moment.]]

** Mika Harima, Anri's friend, was stalking Seiji before school started. Then she disappeared. [[spoiler:She broke into Seiji's apartment and found the head, so Seiji tried to kill her. She survived, and Namie gave her MagicPlasticSurgery to look like she had the head grafted onto her body. Once Seiji discovers this, he decides to continue dating her so long as she understands that he'll leave her the second he finds the head. Mika agrees, but begins looking for the head so that she can destroy it before Seiji finds it (not that this will be easy, as the head has a very impressive HealingFactor)]].
** Shinra Kishitani has been in love with Celty, the headless rider (and the body that goes along with the head that Seiji is in love with) ever since he was a little kid. On the day they met, his father vivisected Celty and invited Shinra to help. Shinra has been telling people ever since that he's going to marry Celty one day, and tries to encourage her to abandon searching for her lost head because he's afraid when she gets her memories back, she'll be a different person. [[spoiler:When she does find it (and turns out to be the same person as before, just with new responsibilities), he ends up using a SoulCuttingBlade to separate her from it again. She forgives him, [[AllLovingHero as he expected]]]].
** Anri Sonohara is an inversion; the most notable thing about her is her [[WhatIsThisThingYouCallLove inability to love anyone]]. [[spoiler:This is what lets her wield the demonic blade Saika without being controlled]].
** Saki Mikajima is completely controlled by Izaya Orihara, so when he orders her to fall in love with Masaomi Kida, she does. Even months after they've broken up, she has complete faith that he'll come back to her one day. [[spoiler:Eventually, she chooses Masaomi over Izaya and the two leave town together]].

** The [[EvilWeapon demonic blade]] Saika is intelligent and desperately loves humanity. Apparently she once loved individual humans, but by the time of the story this has twisted into a generic love for the human race. Unfortunately, as a sword, [[WhenAllYouHaveIsAHammer the only way she can demonstrate this love is by cutting people]]. Every time she cuts someone, they are "impregnated" with a child that [[TheVirus shares Saika's love for humanity and starts to cut more people]]. [[spoiler:Saika's current wielder, Anri, is immune to Saika's control due to her lack of ability to love, and uses Saika to stop the children]]. Saika is even more {{Yandere}} than usual for Shizuo Heiwajima, [[BeyondTheImpossible the most ridiculously overpowered human being alive]]. [[spoiler:This causes problems for Anri, who gets some very strange feelings whenever she sees Shizuo]].

* ''Manga/{{Loveless}}'': [[spoiler:Seimei]] is known to have [[spoiler:faked his own death, killed, manipulated and {{Mind Rape}}d countless people, abandoned his family, tricked everyone with his seemingly polite nature, and basically controlled Ritsuka's (the main character) life. All because, according to him, he is insecure and wanted to test Ritsuka's love for him.]] [[PaedoHunt Have we mentioned that Ritsuka is only twelve years old?]] [[BrotherSisterIncest And that he's his brother]]?

** Sayaka Miki's love for a childhood friend is unfulfilled, driving her berserk, [[spoiler: and eventually turning her into a huge mermaid monster.]] Though in her case, her love was ''just'' a catalyst; the poor girl already had SERIOUS issues from long before she was unfulfilled.
** In the [[Anime/PuellaMagiMadokaMagicaTheMovieRebellion Rebellion]] movie, [[spoiler: Homura's love for Madoka turns her into the devil.]]

** Kanae falls into a broken state due to unrequited love for Tsukiyama and it makes [[spoiler: her]] vulnerable to being mind raped and tortured into insanity by Eto. [[spoiler: She even attacks Kaneki, cuts off his hand, and jumps so that she can die in Tsukiyama's place after confessing her love for him]].

** Since the two series are connected ([[spoiler:as are their heroes]]), this means that love driving people nutso is also the source of ''Manga/XxxHOLiC''. It is, in fact, the source of the main character, since [[spoiler: he is a duplicate of the Tsubasa hero created when time was fucked up]].

* ''ComicBook/LegionOfSuperHeroes'': Brainiac 5 is so obsessed with ComicBook/{{Supergirl}} that he once built a Kara-alike android in his dream.

* ''ComicBook/SwampThing'': "My Blue Heaven" has Alec trapped on an alien world all alone. He uses his plant-controlling powers to create clones of himself... and then, in a moment of temptation, creates his love Abby. After spending another day creating an entire populated world, he accidentally creates a [[ComicBook/{{Hellblazer}} John Constantine]] who warns him how crazy he's become. It doesn't help that Alec can't ignore the fact he can't get Abby's smile just right, and he goes mad when his Abby-self responds "All love... is madness."

* In ''WesternAnimation/{{Hercules}}'' it's portrayed quite positively, as love is what drives Megara to [[spoiler:sacrifice herself to save Herc]], and Herc to return the favor by [[spoiler:demanding that Hades take him in her place, which proves his true heroism and restores his godhood, saving them both.]]

* ''Film/FantasticBeastsTheCrimesOfGrindelwald:'' [[spoiler: Queenie Goldstein falls in love with Jacob Kowalski, and is desperate to marry him. While he ''does'' reciprocate, the reason he refuses to marry her is that it would mean the MACUSA would throw her in jail. She starts to become irrational and possessive, going so far as to enchant him and drag him into the UK to get married. When Jacob thinks she's crazy for this, she leaves in a huff for Paris. [[FromBadToWorse Then she's persuaded to join Grindelwald's cause]] because she's naive (or desperate) enough to think that his vision of wizards living openly will mean that she and Jacob can marry - even though it's obvious from the subtext in his speech that he thinks of non-magical people as less than human. When Jacob (who was with her at the speech) begs her not to join Grindelwald, it doesn't take.]]

* ''Film/TheHole'': [[spoiler:In order to win the affections of Mike, Liz arranges for them to be locked underground for nearly two weeks. This results in the death of Frankie, Geoff, and Mike, and ultimately Martyn, who Liz murders to cover up her crimes.]]

* OlderThanDirt: ''Literature/TheIliad'' is about the Trojan War, which was started because Paris saw Helen of Troy, the WorldsMostBeautifulWoman, and had to have her. Unfortunately for him, she already had a husband, Menelaus of Sparta, and when he found out what happened, he rallied the city-states of Greece to make war on Troy. Total survivors? A handful: Menelaus and Helen made it back with an unstated number of followers, as did Odysseus (after he had his own GaidenGame, ''Literature/TheOdyssey''), but ''literally everyone else died'': all the Achaeans on the thousand ships, and everyone in Troy as well. (And, keep in mind, "LoveMakesYouCrazy" is the ''flattering'' interpretation of Paris's actions; "LoveMakesYouEvil" is just as applicable, as is "DownfallBySex.")

* In Creator/RobertEHoward's "Literature/ShadowsInZamboula," after the woman tells him her love went mad and attacked her, Literature/ConanTheBarbarian tells her that her beauty could do that; she denies it; he was drugged.

--->'''Varys''': It's said the Knight of Flowers went mad when he saw [[spoiler:his king's body, and slew three of Renly's guards in his wrath, among them Emmon Cuy and Robar Royce.]]

** Don't ever hurt or kill one of Willow Rosenberg's girlfriends, lest you want to end up [[spoiler: flayed alive.]]

** In a later episode, it appears this is happening with Dawn when she falls for a jock. It turns out, there was a spell involved and HilarityEnsues. At the end of the episode Dawn expresses embarrassment over all the crazy things she did; big sis tells her to just wait till she falls in love for real.

** Rory loves Amy. ''A lot''. Enough that he [[spoiler: guards her sleeping body for 2,000 years without leaving.]]

** River loves the Doctor. ''A lot.'' Enough that she [[spoiler:almost destroys time in order to save him.]]

* In ''Series/{{Farscape}}'' John tells Aeryn she's the reason he's crazy. Of course, all that MindRape by evil guys might have something to do with it.
** A bit of FridgeBrilliance here - John got put in the Aurora chair and was subjected to MindRape because he snuck into that base to help find a cure for a dying Aeryn.

* ''Series/NoahsArc'': [[spoiler:Dre goes to crazy lengths to get Alex out of the picture so he can be with Trey, setting up a BatmanGambit to turn Trey and even Alex's friends against Alex. It's bizarre even by TV drama standards.]]

** The song "Grenade" may sound upbeat. But when you [[https://www.youtube.com/watch?v=GIZo19BA8Y4 listen to the lyrics,]] it's kinda disturbing. Voluntarily giving your life [[DoggedNiceGuy for someone that no longer loves you?]] [[StupidSacrifice That's not sweet. That's sick.]]

** A more literal example of this trope, the song [[https://www.youtube.com/watch?v=xknW3A5LhZ0 ''Talkin' To the Moon'']] takes a similar approach to "Grenade", but instead, it depicts a man who has been driven stark raving mad instead of being DrivenToSuicide over a relationship. Here, the person is revealed to be [[TitleDrop talking to the moon]]...pretending the moon is his once significant other.

** [[https://www.youtube.com/watch?v=jBSvJjElP1E "Voices in My Head"]] is the most literal example of this.

* A platonic example: in ''Pinball/WhoDunnit1995'', Butler's loyalty for Victoria is the only reason he puts up with her constant abuse. What's more, he cares so much about her that he [[spoiler:enables her BlackWidow tendencies and attempts to murder Tex after he threatens her.]]

-->''And as he errs, doting on Hermia's eyes,\\

** ''Theatre/{{Othello}}'' insists that his flaw is that he "loved not wisely, but too well." Of course, being a HorribleJudgeOfCharacter doesn't help either.

* In ''VideoGame/ArcRiseFantasia'', [[spoiler: Adele]] takes a dive off the slippery slope to evil and onto the crazy train when she finds out that she's an UnluckyChildhoodFriend. NiceGirl to {{Yandere}} [[TheVamp Vamp]] in about five minutes or less!

* King Valentine from ''VideoGame/OdinSphere''. His daughter falling in love with [[spoiler: Odin and bearing his children (Velvet and Ingway), to him, meant that she didn't love him anymore and so he killed her with his bare hands. Overlaps with LoveMakesYouEvil as the main reason why he's an OmnicidalManiac -- he can't live with himself even after death knowing he killed her. But it's also strongly implied that enchanting the Valentine kingdom's coins made him a little crazy to begin with.]]

* In ''VideoGame/PrinceOfPersia2008'', [[spoiler:magical waif Elika [[HeroicSacrifice sacrifices her life]] to reseal BigBad Ahriman back into his can. The Prince, fallen in love with her and devastated by her death, destroys the trees that sealed Ahriman again to bring her back to life]]. The epilogue [[spoiler:establishes that he did this because he knows the prison can't hold, and he'd rather face Ahriman now with Elika's help, then to face him without her down the line. She ''[[WhatTheHellHero clearly really doesn't]]'' agree with his choice though.]]
* ''VideoGame/RuleOfRose'': [[spoiler:Gregory loves his son Joshua. Therefore, after Joshua dies of unspecified illness, he becomes a crazed serial killer. Wendy loves Jennifer deeply. Therefore it's completely unacceptable for her that Jennifer could love anything even nearly as much as her, so she kills her beloved dog -- for starters.]]

* In ''VisualNovel/LuxPain'', [[spoiler:this happens to Yui after Mako dies. She eventually tries to kill Tanaka as revenge for Mako's death.]]
* Godot from ''VisualNovel/PhoenixWright'' was rational and was passionate about justice before he [[spoiler:woke up from a poisoning-induced coma to find that Mia Fey, his apprentice who he was in love with, had been murdered. After that, his psyche became a messy ball of anger, self-loathing, and obsession, reshaped for the sole purpose of getting revenge against Phoenix Wright, who he blamed for her death but actually had nothing to do with it; in fact, he's the one who put away the guy who actually ''did'' kill her. Even Mia (as a ghost) directly telling him that he's being ridiculous does nothing to halt his crusade.]]

** Another contender for the craziest is the Ushiromiya patriarch Kinzo, whose hysterical obsession over [[spoiler:his late mistress]] Beatrice drove him to [[spoiler:''[[ParentalIncest rape their illegitimate daughter]]'' because he'd convinced himself that she was her mother's reincarnation.]]

* In ''WebAnimation/DrawWithMe'', the boy [[spoiler: tries to get through the unbreakable (instantly repairing) glass and loses his hand for it. Then the girl cuts off her own hand to give to him to use to draw.]]

* In ''Webcomic/NoRestForTheWicked'', [[http://www.forthewicked.net/archive/02-36.html the Beast proposed two hundred and forty-three times, but wonders whether giving her a magical ring was too forward.]]

--->'''Todd:''' [[http://thatguywiththeglasses.com/videolinks/teamt/nash/wtfiwwy/32368-this-is-all-your-fault-electric-boogaloo I've had my car stereo]] rigged to play "Making Love" out of nothing at all. I've received more drunk dialing more than anyone who ever dated Creator/CharlieSheen. And I've had live bunnies airdropped into my house.

* ''WesternAnimation/BatmanTheAnimatedSeries''. Hoo, boy, Harley Quinn. She falls in love with ComicBook/TheJoker of all people and is as crazy as he is -- perhaps worse since she's treated as callously as anyone. Her story of meeting The Joker is the {{Trope Namer|s}} for MadLove.

* As revealed during the GrandFinale of ''WesternAnimation/{{Centaurworld}}'', this was ultimately what brought about and was the driving motivation behind [[spoiler:the [[BigBad Nowhere King.]]]] In several different ways.

* In ''WesternAnimation/BoJackHorseman'', this plays heavily into the backstory of [=BoJack=]'s mother, Beatrice. When Beatrice was a little girl growing up in the 40s, her older brother [=CrackerJack=] was tragically killed while fighting in World War II. Due to {{Deliberate Values Dissonance}}, Beatrice's mother, Honey, was unable to grieve for her son properly, which resulted in her causing a scene at a party and deliberately crashing her car, almost killing her and Beatrice. Though they both survived, Honey ended up begging her husband, Joseph (who was unwilling to deal with "womanly" emotions), to "fix" her. Joseph's solution? Have Honey ''lobotomized'', much to Beatrice's horror. One of the last lucid comments Honey said to her daughter was "Love does things to people. Horrible things. Beatrice, promise me you'll never love anyone as much as I loved [=CrackerJack=]." Unfortunately, Beatrice keeping this promise [[UnwittingInstigatorOfDoom ended up causing a lot of pain for a lot of people...]]
* The ''WesternAnimation/WhatIf2021'' episode [[Recap/WhatIfS1E4WhatIfDoctorStrangeLostHisHeartInsteadOfHisHands "What If Doctor Strange Lost His Heart Instead Of His Hands?"]] focuses on a desperate Doctor Strange trying to undo the death of his girlfriend Christine. His sheer obsessive drive to revive her turns him into a complete lunatic, a full-on EvilSorcerer convinced that he can undo what is a fixed point in time. [[spoiler:His obsession ultimately results in the destruction of the ''entire universe'']].

A special case of this is the StalkerWithACrush, who often shows other irrational behavior as well. Many other special cases (MadLove, LoveHungry, PsychoLesbian, {{Yandere}}) also exist, meeting obvious conditions. All of these can overlap, and often do, even ones which seem contradictory. May involve dancing TheMasochismTango when the love is requited (or [[UsefulNotes/{{BDSM}} actual masochism]] of the psychological sort when it isn't).

* The ''WesternAnimation/WhatIf'' episode [[Recap/WhatIfS1E4WhatIfDoctorStrangeLostHisHeartInsteadOfHisHands "What If Doctor Strange Lost His Heart Instead Of His Hands?"]] focuses on a desperate Doctor Strange trying to undo the death of his girlfriend Christine. His sheer obsessive drive to revive her turns him into a complete lunatic, a full-on EvilSorcerer convinced that he can undo what is a fixed point in time. [[spoiler:His obsession ultimately results in the destruction of the ''entire universe'']].

* ''Series/InterviewWithTheVampire2022'': By [[Recap/InterviewWithTheVampire2022S1E7TheThingLayStill the Season 1 finale]], Lestat de Lioncourt is no longer thinking rationally when it comes to his boyfriend Louis de Pointe du Lac, with Lestat somehow deluding himself that Louis will finally love him with all of his heart by severely restricting the latter's freedom. Lestat now treats Louis -- a black man who ''deeply'' resents being oppressed by white society -- as his PropertyOfLove and keeps him confined in a GildedCage. Any sensible person would recognize that reducing Louis to a mere love slave would cause him to loathe Lestat even more (Louis has already contemplated suicide as a means to escape from Lestat's DomesticAbuse). Louis' lack of personal autonomy is further worsened when Lestat (who's promiscuous) suddenly foists a VampiresHarem structure upon their relationship without consulting Louis (who's a monogamist) beforehand -- Lestat clearly doesn't care about Louis' opinions or feelings on the matter, and is essentially behaving like a slave owner whose word is law. If Louis being forced into the position of Lestat's [[GenderInvertedTrope male]] TopWife wasn't bad enough, Lestat also intends to [[OffingTheOffspring murder their vampire daughter Claudia]] (whom Louis adores) because he views her as an impediment to possessing the entirety of Louis' love. It's no wonder that Louis is willing to kill his psycho lover in order to regain his freedom and keep Claudia safe, which is the complete opposite of what Lestat wants.

* ''Series/InterviewWithTheVampire2022'': By [[Recap/InterviewWithTheVampire2022S1E7TheThingLayStill the Season 1 finale]], Lestat de Lioncourt is no longer thinking rationally when it comes to his boyfriend Louis de Pointe du Lac, with Lestat somehow deluding himself that Louis will finally love him with all of his heart by severely restricting the latter's freedom. Lestat now treats Louis -- a black man who ''deeply'' resents being oppressed by white society -- as his PropertyOfLove and keeps him confined in a GildedCage. Any sensible person would recognize that reducing Louis to a mere love slave would cause him to loathe Lestat even more (Louis has already contemplated suicide as a means to escape from Lestat's DomesticAbuse). Louis' lack of personal autonomy is further worsened when Lestat (who's promiscuous) suddenly foists a VampiresHarem structure upon their relationship without consulting Louis (who's a monogamist) beforehand -- Lestat clearly doesn't care about Louis' opinions or feelings on the matter, and is essentially behaving like a slave owner whose word is law. If Louis being forced into the position of Lestat's [[GenderInvertedTrope male]] TopWife wasn't bad enough, Lestat also intends to murder their vampire daughter Claudia (whom Louis adores) because he views her as an impediment to possessing the entirety of Louis' love. It's no wonder that Louis is willing to kill his psycho lover in order to regain his freedom and keep Claudia safe, which is the complete opposite of what Lestat wants.

* The CuteEmUp game ''Harmful Park''. The BigBad's diary at the ending reveals that the BigBad wasn't evil before, and attempted to create a place called Heartful Park for the heroines' single mother. However, he fell in love with her so deeply that it drove him mad, and turned that park into [[TitleDrop "Harmful Park"]].

* ''Manga/{{Zetsuai 1989}}'' is all about this trope. Let's see: when Izumi was five, his mother discovered his father was cheating on her and murdered him in front of Izumi so that she could "possess him completely". Then there's the {{Yandere}} fan Eri, who [[spoiler: tries to murder Kouji at his farewell concert]]. That's without even mentioning the multiple examples of Kouji being driven to despair, self-mutilation, or generally self-destructive behaviour because of his love for Izumi -- who is understandably a bit freaked out by all this. At first. After a while, he starts to join in...

* [[spoiler:Seimei]] from ''Manga/{{Loveless}}'' is known to have [[spoiler:faked his own death, killed, manipulated and {{Mind Rape}}d countless people, abandoned his family, tricked everyone with his seemingly polite nature, and basically controlled Ritsuka's (the main character) life. All because, according to him, he is insecure and wanted to test Ritsuka's love for him.]] [[PaedoHunt Have we mentioned that Ritsuka is only twelve years old?]] [[BrotherSisterIncest And that he's his brother]]?

* Gendo in ''Anime/NeonGenesisEvangelion'' is a MagnificentBastard who takes the phrase 'you're worth the world to me' to its (insanely) logical conclusion. [[spoiler:He tries to bring about the apocalypse, in fervent belief that this will reunite his mind and soul with that of his wife, Yui. The manga adaptation plays it even straighter, [[AdaptationalVillainy portraying him like more of a megalomaniacal madman]] [[GodhoodSeeker whose ultimate goal is to become God]].]]

*** For one episode, ''Nyaa'' is this towards [[spoiler:''Osomatsu'']], much to Choromatsu (as well as everyone else's) despair.

%%** Gil for [[HoYay Oz]] and Vincent [[IncestYayShipping for his older brother Gil]].
** However, the ''real'' winner is [[spoiler: Jack Vessalius]], whose obsessive love for Laci causes him to trigger the events of the entire series. He essentially wants to ''destroy the world'' for the woman he's loved since childhood, because he believes it will ease her loneliness.

** This also covers Ranma's fiancées (Akane, Shampoo, and Ukyō) fairly well. When first introduced to the series, they conduct their courtships in a relatively calm, normal fashion. As Ranma continues to ignore them, they slowly grow more desperate -- and more extreme. Magic, deception, violence, all of these become legitimate avenues of pursuit towards romantic happiness. Ranma's rivals, meanwhile, enter the series in this state.
** Kodachi Kunō, on the other hand, was [[MadLove already crazy]] before love even entered the picture.
* ''VisualNovel/SchoolDays'': For the love of ''God'', do these two girls go axe-crazy over this guy. It gets to the point that they'd happily murder each other in broad daylight, with witnesses, just to be rid of the competition!
* ''Manga/SgtFrog'': Tamama is an adorable, shiny-eyed frog alien, but it's a [[{{Kawaiiko}} deliberate act.]] Piss him off by getting ''too'' close with his sergeant Keroro, and he'll usually drop the act and fly into a rage.

* Inverted[[note]]without actually being LoveRedeems[[/note]] in the ''[[Manga/WildFangs Wild Series]]''. When they have a master, manbeasts will not lose their minds and attack humans, and that bond is based around love ([[LoveAtFirstSight whether they want it]] [[BelligerentSexualTension or not]]). So basically, love makes you sane in this case.

* Parodied in ''ComicBook/{{Asterix}} and the Legionary'', where Obelix starts acting extremely strange because he's in love with Panacea, which is soon diagnosed by the other villagers. Later, after their terrible behavior has caused a centurion to become extremely overstressed and prone to collapsing sobbing onto other soldiers, they keep assuming he's in love too. This seems at first to be Obelix's {{Cloudcuckoolander}} personality, but it becomes a RunningGag with every other character who witnesses his freak-outs assuming the same thing.
%%* This trope is taken quite literally with [[Characters/BatmanRoguesGallery Harley Quinn]].
* An excellent summary of Twist in ''ComicBook/{{Chassis}}''. She is a cheerleader so obsessed with her favourite Aero-run driver that she is willing to do whatever it takes to ensure he wins: sabotaging, and even killing, his rival racers.
* From Creator/DCComics, we have the [[Characters/GLStarSapphireCorps Star Sapphire Corps]], whose power is fueled by love. Originally [[WithGreatPowerComesGreatInsanity the power was consolidated into a single person]], and as a result this trope was mainly the sort of love that fit into this category.
** This trope still applies to the Corps. Being one of the lights on the end of the Spectrum (with Red representing Anger on the other end), the Violet light tend to influence their wielders the most, hence love overtakes them. This also applies to their counterpart, the red light of anger.
* ''ComicBook/RobinSeries'': Poor Tim, whose uninterested reactions are part of why many readers consider him on the asexual spectrum, attracts quite a few seemingly delusional individuals who don't seem to realize that their romantic and sexual interest in him does not equal a loving relationship when he doesn't find them romantically appealing and would like them to leave him and his [[ComicBook/Batgirl2009 girlfriend]] alone. Some of these young women are otherwise heroic like his ComicBook/YoungJustice teammate Secret.
* Smilkov's motivation to create ghosts in ''ComicBook/{{Spook}}'' was his love for his daughter and his desire to see her again, causing him to gradually lose touch with reality.
* In an issue of ''ComicBook/SwampThing'', "My Blue Heaven" (written by Creator/AlanMoore) has Alec trapped on an alien world all alone. He uses his plant-controlling powers to create clones of himself... and then, in a moment of temptation, creates his love Abby. After spending another day creating an entire populated world, he accidentally creates a [[ComicBook/{{Hellblazer}} John Constantine]] who warns him how crazy he's become. It doesn't help that Alec can't ignore the fact he can't get Abby's smile just right, and he goes mad when his Abby-self responds "All love... is madness."

* [[TheDragon Craft]] of ''VideoGame/MegaManZero 4'' is either this or LoveMakesYouEvil. He joined [[BigBad Dr. Weil's]] army only so that he can protect Neige, the girl he loves. When the latter fled from Neo Arcadia because of the iron-fisted rule of the BigBad, he makes it his mission to bring her back (thinking that she will be safer in Neo Arcadia), all while spearheading Operation Ragnarok, which would obliterate any inhabitable area outside of Neo Arcadia. Neige did eventually talk Craft out of working under the BigBad, only for him to [[spoiler:''destroy Neo Arcadia with the namesake of Operation Ragnarok, a KillSat'', aiming for Dr. Weil. According to the [[AllThereInTheManual Complete Works]], that attack claimed thousands of lives]].

* In ''WesternAnimation/{{Hercules}}'' it's portrayed quite positively, as love is what drives Megara to [[spoiler:sacrifice herself to save Herc.]]

* Shion in ''LightNovel/{{No 6}}'' for Nezumi. When Nezumi is threatened, Shion switches from either all-out rage or coldly, completely rational and ''murderous.'' In the novels, [[spoiler: he comes close to strangling a man when he tries to kill Nezumi and declares it to be "punishment."]] In episode 10 he [[spoiler: murders a guy in cold blood who tried to kill Nezumi]].

A special case of this is the StalkerWithACrush, who often shows other irrational behavior as well. MadLove, LoveHungry, PsychoLesbian and {{Yandere}} are other special cases, meeting obvious conditions. All of these can overlap, and often do, even ones which seem contradictory. May involve dancing TheMasochismTango when the love is requited (or [[UsefulNotes/{{BDSM}} actual masochism]] of the psychological sort when it isn't).

* ''Manga/OnePiece'': Boa Hancock badly misinterprets innocuous actions as signs that Luffy reciprocates her love for him. This would seem cute and innocent and not so creepy if she didn't happen to be [[ChristmasCake pushing thirty]]. Her behavior has an uncomfortable resemblance to a certain RealLife psychological disorder. (Then again, given [[FreudianExcuse all the crap she had been through early in life]], her screws may not have been put in quite tight enough before she met him, anyway...)