The visit went really well, plenty of eye contact.
He stayed about 1 1/2 hours altogther and seemed really relaxed.
He seemed like he was testing my reactions by talking about things he had done or is doing.
He talked about the pets, asking questions about them. Certain things he couldn't remember when I answered him, even though I know S has told him these things previously.
He has asked if I would mind if he comes and walks the dog sometimes.
He has offered to do things for me and our kids and seems to be seeing these through, as I have had texts from him regaurding these.
I followed your advise snodderly and took his lead and just listened to what he had to say, didn't ask any questions, didn't mention OW and didn't bring up our R.
He did say would I mind if he came again, I said that would be ok.
He has been again since the initial visit and text often.
He has been in contact with my family increasingly since Dec and they are commenting about his calls to me, and he has arranged to do things with them which he used to do before all this happened.

I have no expectations as I know the OW is still on the scene. Do you think this could be the end of replay?

Thanks for your advice