Why do overweight women seem meaner or more hostile to other women?

My whole life, I’ve mainly been bullied by girls who were either very ugly or even more common: fat. Whether a classmate, stranger in the streets, person online, they’re always insulting me and arguing with me. They pick on me when I’m minding my own business even if I don’t know them. I have friends with the same exact experiences. I’ve never been treated terribly by a pretty girl who’s in good shape. Even in public I hear fat women saying disgusting things always in a bad mood being blatantly racist, body shaming other women, cursing someone out etc.

Why do overweight women seem meaner or more hostile to other women?
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