if the same men that praised Superman for being "a good role model of positive masculinity for men" hate on Supergirl for also opposing an oppressive system, it's gonna show you how some men only admires him for his masculinity and powers and not his ideals.
The kindest thing you can do for yourself is to become a reader. Read the romance. Read the fantasy. Read the mystery. Read all kinds of literature. But never pick up a self-help book