He isn't fully secure about himself. He feels that he will be accepted by you more by copying you and he also feels that he won't be doing the 'wrong thing' if he's doing what you have establishes as "okay' or 'cool'. Plus it menas he needs to find his own imagination and sense of originality. Hopefully you guys are pretty young.
It means that he thinks the things you do are cool. He wants to be like you. Maybe he thinks it will get him attention.
It means they want sex or they are just a homosexual friend.
he is a goofy guy or most likely he likes you!
he cares about you
It might mean that knows you like HIM but he doesn't like YOU but he feels bad so he tries to make you feel better w/ a different guy
He has an interest in you and basically may have a crush or admires you ;)
He's intressed
Just be yourself
Magical things will happen if you confront him
it means that they like you and they have some sort of interest towards you
It depends on what you actually did. It can be a sarcastic expression.
well the solution is that he has a hairy but hole
It means he likes you.