That mental labeling thing is something I've noticed too. Don't really know if it is inherently a man thing though. Sometimes I wonder if most people see other people as people, or just categorizations. I imagine women or non-binary people might do this too with certain groups. Like how people will have a "Friend" vs a "Best Friend" vs a "Childhood Friend" vs an "acquaintance" vs a "stranger" vs an "enemy" Is it a gender thing, or some other sub-type of the population that does this? I don't know. Maybe it gets harder with the type of category of person that aligns with our sexuality. Who knows why we tend to do stuff like this as a species