Why does my mom call me crazy?

I’m 15 years old and I’m the only child. I talk to myself all the time, I have an obsession with socks too. In 7th grade I tried to kill myself. I love dogs but my mom won’t get me one, dogs really love me too :). My sister takes a lot of medication because of her anxiety and she’s hella crazy, but she has a dog to keep her afloat. I have a hard time sleeping, like I see things in the night, I also take lots of pain pills, my head always hurt lol. Today my mom called me crazy. Sometimes I don't know what to do.
Why does my mom call me crazy?
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