In Chapter 12 of No, I Am NOT A Brony, TD learns that Celestia has no way of sending him back to Earth, despite her best efforts. His reaction over the following chapter is heartbreaking.
In the last chapter of Don't Go Into the Everfree Forest, TD, he slits his fetlocks and writes "free" in his own blood on the wall, rather than become a figment of pony!TD's imagination.
The final chapter of The Wanderings of a Non-Brony, TD has gone through trial after trial to find a way home, but the portal created by the Crystal Heart is too unstable, stranding him in Equestria, crying in the comfort of Celestia.
