I need to get over him

I need to get over him so I can move on with my life. Every waking moment I have, I'm thinking about him. He is messing with my concentration and my productivity, but I can't help it. I really thought we had something, him and I. We texted everyday and sometimes it seemed like we were flirting with each other. Maybe it was a joke, maybe it wasn't. I really could not tell. I got up the courage to confess to him one day, texted him that I liked him and he friend-zoned me. It really didn't bother me in the moment, but now I feel more and more like a fool. Why did I need to confess? We don't talk as much as we used to anymore. I feel like I ruined a good friendship. Now I feel like he wants absolutely nothing to do with me. But the question is, do I even like him that much? Or is he just there? Is this attraction merely just a result of my teenage hormones? Whatever it is, I need it to go away. Fast.