Why does my mom treat me like sh**?

I feel like she barely even loves me. She calls me out of my name, says mean things to me, and just doesn't like to see me happy i guess. No matter how much i try to not upset her or anything, she still cant be nice to me. I dont have a father to turn to since my dad has never really been a part of my life, and my two siblings are older and live onn their own so i dont get to talk to them so much. I only have one best friend that I talk and tell everything to but other than that, I don't have too many friends.