We've been there. People have recovered from worse situations, people have turned their marriages around with less to work with on your side.
The rejection is awful, the betrayal is worse. You feel a piece of you dies everyday. It's common.
Jesus can heal your anger, rejection and hatred.
Time is on your side.
Sooner or later, the OM's shit is going to start to smell ;-) And guess who is going to be there smelling like a rose when that happems? You my friend. They are at the hieght of their romance...it only goes downhill from there. You are at the low point of your relationship, it only goes up from there.