I hate to do this but need advice, a tad confused.

I never thought I'd ever ask someone to help me because my problem (you couldn't even call it a problem really) is very stupid.
Well, like a lot of teenage problems it involves the male species. I like (as in... more than a friend) this guy, who's definetely different (he's a musician and not the typical guy stereotype) and I know that he also likes me the same way... but I'm not sure if I want a boyfriend. My last one wasn't that great and I like being single. But we were kinda set up, I liked him and he knew it, now I'm bailing. I don't want him to ask me out and I say 'no', I also don't want to cast the sympathy vote.
So, in simple terms, my pitiful problems just is that I either am cowardly and go out with this guy even if I am not sure if I want a boyfriend, or say no... but I don't want to hurt his feelings, I'm horrible at that.
If you read this, and are not irritated with my stupidity, please help me out. Yes I am a teenage drama queen at times.

Thankyou for the advice, it was much appretiated. I haven't talked to him yet but I'm hoping that honesty will work.

Aw, thankyou guys so much :) it's great to find advice in kind people, you guys are great, it's hard to find people who truly help.

hmm... i've dug myself in a deeper whole now, my friend was talking to me and she made me change my mind... and for a while I was fine with that, he asked me out, I said yes.
And now, I'm back to just wanting to be single. But my other friend (who dated him for a few hours) told me that he'd once almost killed himself after an old breakup... now I don't want to hurt him, but I want to be happy again.
I am a very big idiot when it comes to relationsihps, trust me, they just don't work out for me. If anyone has any other advice I'd love it, I feel like I'm in a rutt now and can't get out... and I really want a punching bag.