One of the problems with a forum like this is the differing opinions.
And I differ on this myself. I could easily have people watch to find out if she is having an affair. But...if I really am detaching, than would I do that? And if I really am changing as a person, would I do it - just like I would in the past?
I have not assumed that she is having an affair (my gut says otherwise) but have prepared myself for the possibility. And then, decide how it changes everything if she ever drops that bomb.
Gotta admit I'm not sure if I will have people watch or not. I suppose it depends how I feel after she is the apartment.
Really though - it can't be my main focus now. Let her live her life and I will go on with mine.