Trusting, I suspect he is drained now. As I mentioned before, you got a glimpse into the fact that he is not happy w/OW.

When your R with your SO is marred, it's hard to be happy with your life overall, as we all know.

Although STBXH still acts smitten w/OW, he has taken a step back with her.

M: 16 years
Bomb 4/07
OW 20s long gone
Divorced 11/09
I remarried New Guy
Cooperative r w/X regarding D