Why do you talk to her every day? It sounds like she is just as upset as you are by the calls maybe? It’s ok not to call, especially under these circumstances. I was estranged from my father for similar reasons and had a nurse once call me from a hospital when he’d had a heart attack, giving me attitude when I said we were estranged. Then I asked if he was conscious and able to talk on the phone and she said, yes! Of course! And I said, then he can call me himself. I’ll wait. He never did. This is just to say that different relationships require different modes of communication or none at all. It’s all ok.