In fanon lore, canon characters take rejection rather poorly. Die Leiden des jungen Werthers is often taken for inspiration. Too often.
( i'm selling you my soul )
Occasionally you run into a fic with a title that is very, very fitting. Still, it requires PPC-agents to go in and make sure the canon characters are well enough to be capable of forgetting.
( And Here Are The Things You Must Forget )
One of the worst things an author can do to a character is to write them out of character. It's even worse when that character was created by the author themselves. ( Time Difference )