Honestly I think you will say the most by saying nothing. I would not reply or acknowledge that at all.

My interpretation is that he is conflicted and is baiting you to push him farther away and/or make everything okay for him. Don't take the bait, remain silent and stick to facts and logistics.

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