No because that was his issue BEFORE the bomb. Now he just wants to get away because he's been hurt so much that he's trying to escape from the pain.

So that's why IMHO your best bet is to interact with him when you're with the kids as much as possible and show him glimpses of the you that he fell in love with. Let him start MISSING you.

In your case, NC is impossible because of the kids. I would stay dim.

M-43 W-40
2D - 9 and 5

Emotion, yet peace.
Ignorance, yet knowledge.
Passion, yet serenity.
Chaos, yet harmony.
Death, yet a new life.

RECONCILED AND WISER