My fingers are crossed that she will make the right decision, to go. As they say at Retrouvaille, if you go, the worst that can happen is that you will do the program and end up exactly where you are today. No change. That is the worst. The best that can happen is that you will completely change your marriage from unhappy to happy. The odds are good that if you go, you will get a marked improvement. But it is up to the two of you.
