I would go to him. So far he's done everything you've asked him to do so you should throw him a bone.
As far as talking to the OW, maybe you should have him talk to her so that she's not left hanging and he's got a sense of closure as well. That's gonna require you to do some heavy duty trusting, but I think this would be a great test.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.