Why do so many women shame men for showing emotions yet preach the opposite and act like men are unaccepting of other men showing emotions?

Honestly, this really pisses me off... the guys & men I've known have always been the most understanding, accepting and empathetic of my problems/emotions/whatever when most of the women I've known have been the exact opposite and usually would be disgusted if I show emotions... I find it very hypocritical & insulting.
Why do so many women shame men for showing emotions yet preach the opposite and act like men are unaccepting of other men showing emotions?
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