Teens - Confessions

Hi. I'm 14, and I am such a sinner. I don't know how this all started, but I think it started when I was 11. I was addicted to porn sites, and masturbation. I read stuff I shouldn't have, and because of all those, I drifted away from God. To be honest, I wasn't that all close to him in the first place, and this only served to tear me away from Him further. I had only started to try and stop this addiction a few months ago, when I met someone online who would help me. She is a worship leader in her church, and had a same, well, almost, history as me. She helped me to wean myself away from it. For a while, I grew closer to God, and I stopped my addictions. Then, when I was least expecting it, it came back. Strong. Even though I tried to fight it, I was too weak and went back partially to my old ways. I don't go to the porn sites anymore, but I just masturbate. I know it's wrong and I don't want to.. And yet, I do. As if things couldn't get any harder. This friend who was helping me, well, she misunderstood something I said, I'm not sure what. And she just cut off all contact with me. I don't know what to do now, without her to guide me. I want to tell someone, but I am ashamed. I can't tell my parents, I can't tell my youth group leader, I can't even tell my friends. The only person I managed to work up enough courage to talk to was my friend. I need someone to help me pull through this, but I'm scared to tell. I need help, but I don't want people to be disappointed with me, to be disgusted with me, to look at me through different eyes. I'm probably paranoid about this, but there's still this fear in my heart. Please help me.