My biggest advice for "male fashion" is to stop thinking of fashion through the lense of the gender binary & to view it through the lense of art.
The current state of men's fashion is ruled by the patriarchy of insecure white cishet men.
Explore more cultures!
I dont think being a "femboy" is morally reprehensible but "femboy culture" is a genuinely horrific melting pot of misogyny, transphobia, early porn exposure, grooming and radicalisation.