Teens - Confessions

I am 15 year old Christian girl, and I was/am addicted to masturbation and porn. I went on chat rooms to get "sexting". No one knows about this. My parent's would be stunned, and my friends too. I know I need to flee from sexual immorality and all that, but, man, is it hard! This stuff is everywhere. I heard Craig speak at Challenge, and it really impacted me. but I still fell into it again. I was good for over a month, and I just keep going back to it now. I guess for now I'll just keep trying. I have a really hard time going to God with this. I never want anyone to find out about it. I've never actually had sex with anyone. I hate the way this makes me feel. I really need someone to keep me acountable, but I just don't want anyone to know.