Exposing the affair is counter productive - for possible reconciliation and also that invests you into the outcome of the affair. Best to just let go and detach.
Remember this is about H, not OW. She is just a symptom, don’t elevate her or give her any power.
Oh yeah, STD testing. I forgot about that. I think pretty much everyone here goes through that. It’s a wise precaution and needed knowledge of your health.
DnJ
Feelings are fleeting. Be better, not bitter. Love the person, forgive the sin.
