Dday number two happened about a week and a half ago, I discovered an email account WH had set-up. He'd sent some emails to OW fishing for a response that never came.
I told him to pack his bag and go, which he hasn't, but he has finally showed remorse. He's answered the majority of the questions I've asked and it came out yesterday that he felt like things changed this time. He said the time before "wasn't his fault because OW pursued him, but this time it was all his fault". In some ways this gave me so much insight into his thinking, but auurgh! It pisses me off that he takes so little responsibility for his actions.
He's started reading Not Just Friends, which is helping.
I don't know whether to cry ir scream.