NC for obvious reasons. DH and I have been friends with this couple for five years. dH knew the husband first (work friend) while he was going through his first divorce. The divorce was because he'd been cheating on his wife. Following divorce, the new girl immediately moves in - it wasn't secret to anyone what was going on. A couple years later they married and quickly had a baby and just had their second. The new wife seemed nice enough otherwise, so people seemed to cut her some leeway as maybe she really was the love of his life.
Cut to today. DH comes home from work to ask if the husband can stay with us a couple of nights. Turns out that, surprise surprise - you've figured it out already. He's been sleeping with someone else since just before baby 2 was born. I said he could stay two nights max. I don't want to see anyone homeless, but he's made his own bed and he can deal with the consequences. Again.
New wife was on the phone sharpish and is now demanding everyone she knows (all of which in the town where they live she knows through him) cuts ties with him due to his behaviour. I definitely don't condone his behaviour, but I also think she was more than happy to participate in this sort of behaviour when it suited her. And in fact, when she had suspicions, it took no time to confirm them as it was the same hotels, same dinners, same entire modes operandi that he had engaged in with her.
Personally I think she's well shot of him (and anyone who dares to date him does so at their own risk - a man who marries his mistress creates a vacancy and all that) and told him that. Turns out mistress isn't "ready" for a "proper" relationship either, hence him staying with us for two nights. But I resent being told by her how bad his behaviour is when it was ok that she did it (she justifies saying it was fine as he and first wife didn't have kids) and that I have to behave in the way she tells me.
At this point, I'm starting to think we are well shot of the both of them, but due to small town and kid issues, we are going to keep on bumping into each other.
Is it unreasonable to put him up tonight and tomorrow? And not be quite as sympathetic to her as she thinks she deserves?