Realistically, 2.
Guys and gals can have feminine and masculine traits. Boy/girl has become synonymous with male/female, even if it's not accurate. We just created boy/girl to go along with what male/female generally is... ? I don't even know, gender confuses me.
A lot of people definitely make up genders, and it's whatever, they can do that. No one will take them seriously but hey it's their right
