People in literature don't have a biological sex, they only have a socially-constructed gender, and so naturally they will have the characteristics of that gend

People in literature don't have a biological sex, they only have a socially-constructed gender, and so naturally they will have the characteristics of that gender ... in fact, the sum of behaviour characteristics of the genders in our stories is the social construction of gender (I started this post off as tongue-in-cheek, but now I realise it's probably true)