If it comes up I would let her know that you have no interest in just being her friend. You would be friendly for the kids sake, but you want to be her H. I wouldn't say anything about you not being able to move past her.
Fight the good fight no matter the quality of your opponent.
Me-50 WAW-45 S13 Married 24 years Bomb 1-Jan.2008 Disc. EA She came back for 8 years Bomb 2-Jan-2016 Separation 3-12-2016