Insecure

I'm feeling quite insecure, Why? Well it's my mother's fault. She's the one who got me insecure about my body. I'm 13, and my body doesn't look like it, thats one thing I hate. I wanna be a normal. 13 year, but my body has developed way too much. My mom was always bugging me about it. But I didn't pay her any attention. But know I can fit into a womans 7 and i feel horrible.