The only way you are going to feel better about it is to talk about it with him. Ask him point blank, Are you having an A?
She'll ask. He'll deny. She won't feel better.
SG is right; no cheater with even half a brain fesses up to an affair, even when -- hell, especially when -- confronted with evidence.
It's a big misunderstanding, you see; or it's not what you think, they're just good friends...
Me: 44, Wife: 39 M: 17 years T: 20 years Bomb on 08/25/09 1/13/10: MC started 1/28/10, 2/8/10: More bombs 8/28/10: Wife moved out No talk of D, no movement