Thinking about starvation? ?

My life has gone downhill ever since I moved with my dad at the age of about 7/8. (I'm 13 btw) My mom can care for me because she not "mentally stable" but she acts perfectly fine to me. Anyways ever since living with my dad I have been abuse physically and mentally. My dad always tells me how I'm dumb, and ain't going to be nothing in life. I was abuse by my step-mom when I was 8. I call my mom and the police got involved and everything, but my dad lied about pretty much everything, and tried to put a charge on ME. Well to try and make this story short today me and my dad got into it. He wouldn't let me eat because I didn't know how much auger I put in the kool-aid. So I've been thinking; I really don't want to live anymore. Imean I know my mom side of the family is going to have a mental breakdown, but enough is enough. I can't take living with the creature I call dad. I'm not the type of person that can cut myself ; like emos , so an easier way is starvation. If you could comment and tell me what I should do, please help. Thank you(: