Hi Mc - I think you are right that she can't be spending as much time with the om since she is spending so much time with you and the family. Then again.. what do i know?! I'm in the same situation and have those same feelings at times. It is so hard to wrap your head around the facts of the adultery. I try to think about forgiveness at those times.
I think our S's actually believe that they have all of the control... that they are the only one's with a choice here.. not even thinking that we have a choice as well. Stay or go? Forgive or not? Take Care..