Well, she probably got hit in the head too many times to become this messed up, the irony is that originally mc had the more mature life position, now instead of being clever he getting concutions, bookworm cant become a fighter over the night.
Well, mc is the main problem here, he's a coward, loser etc, he could fix his life in school timeline, he could hix his relationships with her now, but he's a coward with inferiority complex. As long as this shit sells author gonna cuck.