My W (38) and myself (39) have a beautiful D3. She was so happy to have mom home. How do in break that innocent girl? I'm not saying I'm letting her stay but I'm not going to give up and just kick her out.
K,
I think you should educate yourself in regards to serial cheaters and the female brain. You are about to enter the decade where human beings are the most unhappiest. This is typically when a woman starts her midlife transition and starts to question all the decisions she's made in life. When a woman stops producing Estrogen (nurturing hormone) she starts to focus more on her needs and wants when she had typically set them aside to tend to the husbands and children's needs. If your W is doing that now I can not imagine that it will improve in the near future.
Again, not telling you what to do I am just saying it would be good to educate yourself to see what you are up against.