I hear you HeavyD. I think it's part of the process and I imagine that, like any grieving, it gets easier with time.
I've tried to put some boundaries on communication-- we only talk about logistics about our D, but there are a lot of logistics to sort out, and I find it difficult.
And then I am interpreted as not communicating enough. But I've found it helpful to put a little bit of space and sometimes I respond, "let me think about that and get back to you."
It's tough-- so tough that they choose this over working on creating a happy life together, especially since there is so much regarding the kids that will be there for years to come.
But we can control them. And I think it will get easier. Hang in there.