Yes, he has no leverage because she doesn't care. She's obviously going to be doing alot of things that he asks her not to at this point. His only real leverage are his resources, his money, his time and if its his place he can ask her to leave.
Some of these ladies will cross all your boundaries on purpose, knowing you don't want them to. The only thing you can do is leave or make them leave.
With the "open marriage" question, he could have said - "I didn't sign up for that, otherwise I would have made sure it was in our divorce vows".
He can get her to marriage councelling. He should be building up info's to burst her affair. Like does this OM know she has other OM's?
