I think that's a really good sign! Don't you? You're wise to wait until he does move out from OW's before anything starts up between you though.

Good luck!

Me: 51
H: 52
T: 23 yrs
M: 19 yrs
S18, D16, S14 (special needs)
PA: 2003/2004
Piecing: 2004 on
Suspect H had EA: 8/2012-12/2012