When Asuka moved out after a bitter argument with Shinji, Shinji realized that he missed her awfully.
When her mother died, Keiko was so shattered that she just wanted to die.
Maya practically worshipped Ritsuko. When her idol allied with Kluge willingly, she was fully crushed.
Shinji was completely heart-broken when Asuka was dying. He cried and sobbed while his Eva hugged and cradled hers until their respective cores touched which was fortunate, since it gave Yui a way to save her.