I agree. It was similar in my sitch. When I started putting my H under pressure to pull his weight in our R, that's when he bailed for the newness and excitement of the OW. As far as I'm aware he's learnt nothing at all from this whole sitch. He still thinks what he did was prefectly normal and ok.
You cannot teach a man anything; you can only help him discover it in himself. Galileo Galilei