Help me... how to control my emotions?

I think I am an ok guy..but I get emotional quickly, I also get angry quickly. Used to pick fight at the drop of the hat at school. I have a BIG ego. I am adamant, bull headed & a downright MCP. Sad part is..I also want girls to like me!!! I am trying to refine & fine tune my behavior, any suggestions??? (Plz be tender...I hv already said that I m emotional...)