Does beating a kid can cause mental illness to them?

Anonymous
My adoptive mother used to beat me and very abusive physically and mentally. She even once called me gay because my period is late thats maybe Im not a real woman. Always calls me stupid and always badmouth me in front of other people calling me a bad kid and not a good person. I even once called a "daughter of satan" but sometimes I think she just does that because she loves me and she helps me with school through college so sometimes Im conflicted of her abuse. Her husband is always siding with her too calling me a stubborn and bad kid. So I felt unloved. As I grew up I became very introvert and I dont socialize with people Im shy because I always dont want them to think bad of me. Then I always like older men because Im searching for a father figure like a parent who always loved his child. So I always like older men. And even if Im thankful of my adoptive mother there's a part of me that hates her for treating me bad as a kid. Im also awkard and very quiet and people think I have mental illness and calls me crazy. Whats funny is my adoptive mother is the one who told everyone I have mental illness so people think Im crazy and they kinda laught at me and dont take me seriously because they think I am one.
Does beating a kid can cause mental illness to them?
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