Maybe not ideal, as you said, but I really believe it's better like this....than like it was.
She doesn't get to pretend there no third party now. She's having to face some harsh issues, which must happen in order for her to get through this process.
Keep standing tall and showing her that you can't be pushed around. Stay in close contact with us Zew. Please don't drop out of sight and cause us to wonder what happened.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!