If he likes you, he would SHOW you. End of story.
He's just shy. I bet if you're a little outgoing, you can get him to open up a lot.
How do you know he likes you? Sounds like he's very shy.. Maybe not a people person??
He is shy and checking you out :-O
How do you know he "likes" you then?
But if it's true, it's probably that you're both too young and uncomfortable with that. Just be friends with lots of kids .. works out better at your age.
Whenever they start to need them. Some 30 year olds look older than 50 years olds...
Put your pants down to your ankles and take a shi* in a public park infront of everyone. That always helps me think.