I'd talk to him. I'd be so curious to know what he has to say. See if he knows before you tell him, though. And maybe don't tell him about the A. The more people that know, the harder it is for H to come home. What is their relationship like at this point?
11/4/15 W revealed EA/2 months later became PA with co-worker Reconciling since late April 2016 Don't give up until it's time, then move on Be patient, strong and kind but never a doormat