Let me preface what I'm going to say by saying that I think it would be a a bad idea to call the OW. Having said that....
OK, maybe I'm crazy... please tell me if you think I am...But I think he wants you to tell her. Why else would he mention it?
The reason I say this is that most men (including me) have a difficult time communicating verbally. We say what we are thinking in jest when, in fact, it's exactly what we want.
I think he misses you, wants you back, and is afraid to make a choice. Just my opinion...
