Mandy, you do have some good friends! Your XH sounds like he is peeking out the tunnel, so I think you are wise to wait and see what happens. After all, you don't want to be the cause of their break-up (if that's what is brewing here). Let things run their course. Strange that he didn't comment on you son.
Me:57 H:52 M:28 Got another lawyer last year and filed. D35,S/D twins28,D22 EA4/04 End? Who knows? "Life is like a mirror. Smile at it and it smiles back at you." — Peace Pilgrim