She has no one else to deal with her, I mean there’s a reason he randomly came back after almost a decade and a reason she entertained it.

She constantly talks about the sex and I feel like that’s another factor. They fight and then they fuck then she forgets about the fight until the next one happens,rinse wash repeat

If he doesn’t care and he has family then I’d just kick him out. You’re talking to your family to find them have fun, leave me out of it