I'm 17, going to start now, any advice?

I'm a 17 years old "bisexual" (not sure) guy and I'm going to start with this NoFap thing tonight. I know it may be hard, but I think it's the best for me. I'm still a virgin with girls, tried it with a guy and it went terrible because I couldn't get a hard on. Is this cause of watching too much porn? I have to say that maybe the day I had sex with him wasn't my best day: I had an exam tomorrow and didn't study very much, plus it was my first hookup ever and I was very nervous lol

I know it's going to be hard, since 15 I masturbate almost every day before going to sleep, but I want to stop. I think there's nothing wrong with masturbating between 1 to 3 times a week, but every day it's just too much. Plus, I read that too much porn ruins the real sex experience. I don't think I'm addicted to porn: I get great grades at school, work out at the gym, do other activities... But I look at porn websites too much to see "what's new" and that worries me.

So, do you give me any advice apart from not browsing porn sites, hot girls instagrams and all that stuff? How much will it take to "recover"? In one week I'm going abroad for two weeks and I will have to share my room with another guy, so I have the perfect opportunity to stop this.