Parents crying because I don’t want to be friends with sibling?

Me and my older sister have been fighting on and off for years. Growing up we never fought but as I got older I started losing weight looking better and I’m the first one in the family to go to university. She hates me and picks fights with me. It’s uncomfortable being around her and I’ve come to the decision to move on. It’s actually that bad. There is no being civil at this point. She gossips about me and tells my parents I’m horrible because I want nothing to do with her drama life. Her husband is mean and cheats on her, her daughter is a druggy and mean af, her son is autistic. It’s something I want no part of. I know that if I deal with her I will go down hill. Why won’t my parents love me for me apart from my sister? We are not twins we are 7 years apart. What do I owe someone who doesn’t like me? I’m so confused and irritated.

Parents crying because I don’t want to be friends with sibling?
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