Because it used to be the case that women weren’t even allowed to work. Men were supposed to work, be the head of the household and provide for everyone in it while women managed the house. Don’t concern yourself with others’ expectations of what a man should be.
I don’t remember and I don’t care. A girl showed me the internet. If I wanted to be with only men I’d tell my friends to meet up and not bring our girlfriends or wives.