However, based on what he has been through and what you have been through. What are you willing to hear?
You are done...I get that, but "what if" she comes back and pleads to be with you? What's your view. This is more for others than it is for you Friend. If you are "happy" who are you to hold it over her mistakes? No open relationship..."I will not be in an open marriage" but if she is willing to EVER meet this...what would you do?