It is interesting your kids take on things as well.
My son had lunch with his Mom a ways a back and she was telling him why she was justified in the choices she made. He sees her about once every couple weeks now. But he described her as a "plastic flower". She looks pretty but there is no substance to her at all. He did say he wished his old mom was back.
She has reentered my daughters life to some degree(she is 14 now. But my daughter will say how grouchy mom is all the time.
As of now I just listen. Occassionally make them laugh and try to be the rock for all of them. Most days I am good at it because its real for me but there is the occasional day it gets old doing that.
But hey that life. I live one moment at a time now and it really is a good way to live.