Yeah, if this is based on a true story, then damn...
I also thought it was weird the mom was from a well-off family but didn't attend high school. Maybe it meant university there? That would make slightly more sense, but maybe she came from a rich, but really traditional family in which she was expected to marry young and be a housewife for the rest of her life. That would also explain why the fuck she never worked, even after her husband died and she was near poverty. The dude had to sell his body to handle her goddamn spoiled bitch of a mother.
His comeback in the last page was godly. "I'm gay so I hate women like you."