Ugh. I have just messed up so much. I try to not be mad at her and make snippy comments to her, but my situation is just right in front of my face I can't help it. The OM in question is a neighbor 2 doors down who lives with his parents.
I talked to a different neighbor and he was like "there's someone else isn't there?" I just sort of stared off. He then said yeah he has a good idea who it is. So apparently everybody could tell. It's just so embarrassing.
After that conversation I made some comments to her that OM is not allowed at my house, once she's married she doesn't get alimony, and she won't have the kids if they live together before they are married. Obviously not the right path to go down. It would be a lot easier if the OM didn't live next door, and since he parks on the street I notice that when he's gone I just think that he's probably with her.
I don't know how the rest of you handle the anger. It's rough.