My dad thinks I owe my sister something?

My older sister has a retarded son and my dad thinks I owe her my attention and help? I have my own life to live. I can not put that stress on me. But the real issue is me and her don’t get along and we are not close. She is miserable at her life and she’s always staring trouble with me. Why does my dad think I’m supposed to take in her burdens? She has a husband. It’s not my interest or job to deal with this. I simply couldn’t care.

My dad thinks I owe my sister something?
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