I'm 15 (same as my guy friend) and he touches my butt a lot at school, I think I might kinda like it but he knows I like him and he doesn't like me back, I don't know how to act around him?
Here goes my time, and timer again, answer, ask him.
Didn't you ask this question a couple of days ago and get a lot of responses? Seriously - if you don't want him to touch you, tell him to stop. My goodness. If you want to flirt with him, go for it, provided he doesn't have a girlfriend. If you want to talk to him, do it.
If he thinks that by touching you, he will get your attention, he's right. Whether or not you approve is up to you.
How should you act around him? Well, that's up to you. If you think he doesn't like you, why is he always touching you?