If he touches me a lot, does he like me?

there's this guy in one of my classes I have about 3 times a week and I sit next to him sometimes.

the last time I sat next to him was Wednesday and he usually joins in me and my friends conversation. he sometimes says she's mean to me but in a nice way and he'll pat my shoulder if me and my mate are arguing, sometimes he'll blow my hair, prod me gently with a pen, touch my nose, touch my stomach etc.

he'll hug me too and he put his hands on my head making me nod and shake my head when he came up behind me.

whenever we walk past each other he'll smile and acknowledge I'm there and ALWAYS makes me laugh when he's talking to me and laughs at things I say too.

he's also, one time, reached out his hands to me like a high-five and so I did and he put his fingers in between mine.

the friend I mentioned before has also told me she thinks he likes me.

does this mean he likes me?

If he touches me a lot, does he like me?
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