>>2572399She thinks she doesn't deserve such happiness in life like having friends and acceptance because her shitty life and scummy behaviour are supposed to prove otherwise, so she was convinced self-sabotaging romantically was appropriate. She also might have thought that the way people treated her with kindness was just an empty formality and disingenuine, and that people don't really care and love her for who she is, and this was her way of saying "fuck you" to them.
>>2572299Love that shit too, honestly, and I'm glad there's more than a handful of fanartists who create so many rich interpretations of Tomoko.