I'm so glad you wrote back. It it vital that she not be around OM b/c that will cause her feelings to stay confused about you. He doesn't need to talk to her or go to the house to see either of you. If he's really a friend, he will agree to do this.

Do you feel the MC has contributed to things being where they are now?

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!