You know, there might be something in it for the women. Like, someone else could be the skinny one that works out all the time. I could be the funny one, who makes comfort food for dinner on my assigned nights.
The real problem? Jostling for MY kids to get what they need or want from Daddy’s money and time, in competition with the demands of the other wives’ kids. I could see a whole lot of drama going on about that.
Jostling for my kids - that part can get extreme.
Look up dynastic struggles of the Turkish Sultans.
The moment the old guy croaked, there was a rush for the prize among all the women’s sons. One winner, the losers got terminated with a silk bowstring.