JKS, I know this is extremely painful but try not to put the kids in the middle of this emotionally. Here's where I think a good family therapist can help is how to answer that question for them without directing them back to your H.
I think your skiing plan is a great one! It sure makes me feel better.
Accuray
Married 18, Together 20, Now Divorced M: 48, W: 50, D: 18, S: 16, D: 12 Bomb Dropped (EA, D): 7/13/11 Start Reconcile: 8/15/11 Bomb Dropped (EA, D): 5/1/2014 (Divorced) In a New Relationship: 3/2015