As much as anything, this comes down to societal gender roles and a desire not to conform with the ones you've been assigned. In a different culture, it could s

As much as anything, this comes down to societal gender roles and a desire not to conform with the ones you've been assigned. In a different culture, it could simply come down to "piss off and I'll do what I want", but we live in a time and place where labels very much matter to people, and they want to be able to pick labels that mean what they would like.