I don't forsee BF wanting to come back to an R with me. Truth is I don't know for sure, but I'm not hedging my bets on it. This weird twist only means he's horny at the moment. LOL
Also, I don't know if he's in a relationship with OW. I know they are/were sleeping together, what he specifically said to me a month or so ago was "we're not in a relationship, but yes, I'm [doing] her".
I don't know if I believe it. There's some mind-reading on my part, because I know he spends a lot of time with her socially. Before I moved out, after the BD, he spent time at her place -- a friend's house she'd moved into with her kids, when she left her husband -- instead of coming home after work. He'd be there until 9am or later. I also know that BF is a fast mover and seems to need a relationship in his life, because they tend to blend from one into another. I don't know the TRUTH for sure, but by all appearances.....
I'm sure he's just being a hormone driven idiot, that's all. But our sexual chemistry is amazing, so it's fun to interact.
ME: 38 BF: 40 T: 10y, no kids, no M (by choice) BD: 7/14/14, BF admits to PA, wants out, lies about new R. 10/1/14: I move out, BF lies about move in with OW 12/4/14: OW confronted, reveals all the lies