blah blah blah, cocain bad, blah blah blah, cocain cool, blah blah blah, cocain bad, blah blah blah blah blah

fuck the cocain thing, he didn't ask for advice on cocaine dumbasses.
You know it's bad for you and you shouldn't do it, kudo's on quitting and don't pick it up again. Habits like that are loaded guns, stick to Mary Jane she'll never do you wrong.

Talk to him.
ask him what his problem is.
maybe he needs help.
maybe he just wants to talk to you.
people just don't start acting like assholes for no reason, talk to him.
Get him in your room, smoke a J together and find out what's up. bond a little
maybe he misses you, but yelling at him, hitting him, acting up is only going to push him away from you and piss him off more. He's your brother man, show him a little love.