Some advice from one whose been there. Work together on your M right now. She could very easily slip right back into lesbo mode. In hindsight, the biggest mistake I made was NOT insisting on joint marital counselling. When I discovered my W was in an EA I left it to her to take care of things. Although I suggested I go with her to C'ing, she insisted on going alone. At that time I didn't even know what an EA was, I do now. After four months of her depression, I asked her what she needed and she said her friend back. We worked out what would be acceptable to me such as coming home at a reasonable hour, not going to her friends house etc.I honestly believed they were just friends who got caught up in each others vulnerable spots. I honestly believed that if anyone would stick to our agreement and work on things it was my W. She appeared to abide by this for a long time BUT it just went underground and now my M is over. So if your W is willing to go to counselling with you, grab it. Do whatever you have to do because this can take a U turn quicker than you'll ever imagine. I wish you well.