In The Back Of My Mind For The Longest Time

So. I have been wanting to get this off my chest for about seven months. Lets start from the beginning:
At the age of eighteen I was engaged and pregnant and living with this man that had taken ever ounce of energy from me. When every thing all started, I was so blinded by it all. I always thought that I was at fault for everything that ever happened between he and I. *sigh* I loved him {I was stupid} I changed my life for him. He didnt support me in anything I ever did so I stopped, for him. And then I found my mind....Once I found my common sense.....he learned that his fist could do damage. He beat me up bad. I called the police. They didnt do anything but tell me I couldnt press charges> To make a long story short: I dont understand, no I understand I just wish, HE WOULD GET OUT MY MIND....he's in my nightmares.