Sex addiction.

I'm 20 years old. I've been sexually assaulted when I was in elementary until 2nd or 3rd grade and around that time, I would play with myself, hump a pillow, hump anything that cushion. And I still play with myself and porn is like my everyday thing now. My boyfriend don't know. We've been together when I was 13 years old and he was 14. Scared how he's going to react to this. And I think I need help.