I feel as though I've been abused emotionally by this guy. How do I get over it and move on?

I went out with this guy for 3 years (on and off because I tried to break up at least 5 times). I feel as though he really messed with my head and emotions. He's high-profile in the community and has a real way with words (and women). He's a manipulator and player. I feel so f*cked up because of him sometimes. How can I move on and get over this? What's a proper way to heal? Will I ever feel normal again?