I don't know if you want to hear this because sometimes it is easier to just accept it is over.
The words you read are typical. Read other threads. He has said things that so many have said.
I think it is nice that he was respectful and maintained some privacy regarding your R.
He sounds like someone who needs a break (I know, what about ME?) but he is checking out. You don't know how things will evolve. If you want to hang in, get Divorce Remedy and start working on it NOW. You are in a great position to do more of what works in your sitch.
I am reading Passionate Marriage and it is really helping process what is happening, but start with DR.
Breathe, so far, this doesn't sound as bad as you think it is...
