what if men wanting women to smile constantly is about infantilization because babies are the only people who smile all the time
that’s definitely a possibility. i personally theorized it had to with men not wanting to feel guilty subconsciously in a patriarchal society. or that men are allowed to express more “negative” emotions but women are only allowed to express “positive” emotions. idk maybe all of those things and more combined?
It could be a whole bunch of things. I definitely like your idea too, and think that is definitely possible as well.
I always just assumed it had to do with the whole “obligated to look pretty/fuckable at all times for every man who could ever possibly lay eyes on you” thing.