Well then maybe come up with a base schedule based on his availability and stick to it. You shouldn't just hand the kids over to him when it's convenient for him.
It was his decision to leave, therefore he takes all the problems that go along with it, namely not seeing the kids when he wants to.
Once that structure is in place, then he can't gripe and feel like you're holding the kids from him. But I think it would be good for your sanity also to take charge of that part of you life. See how it goes.
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.
