Try to think of his faults, rather than what you like about him. Everyone has faults, so don't come the whole "oh he's perfect" thing lol xD I know it's tempting, but he burps and farts just like the rest of us - no one is perfect. Maybe that will help you stop seeing him as so amazing and maybe you'll get over him a little, who knows?

If you don't feel that you can do this then perhaps you should find something else to get your mind off him - perhaps something that doesn't include relationships or boys at all. Try something that really keeps your mind active, and try to keep yourself busy. In time, you'll start to forget about him, and you'll wonder "what the hell was I so obsessed about?". It takes time, it won't happen overnight, but you'll manage.