Dose he like me or is he just being friendly?

Ok there’s this guy I started liking and he is only in my science class. Well we just started to talking to each other this year and it’s only been a few weeks since school has started, but for the past few days he’s been extra nice to me even to where I think he is flirting with me. He’s always... Show More

but still I didn’t look up I just kept doing my work. So how can I make it clear that I like him by touching him physically?