What that mean when my crush do that?

[Ay__en__]

He is 15, He talks about me with his friends and they laugh at me and he talks to them loudly and they talk also, they shake hands and laugh, and he looks at me and looks

[random_girl95]

It's cause he is still immature and doesn't know any other way to handle it. So he acts in this stupid way as it's the only thing he knows how to do.

[bowenw]

They are immature.