I don't know what to do with my life. I'm 19 and it feels like I've got nothing more to experience, all it is is 'get a job', 'go to college' or 'you can't do this'

'it's dangerous'.
Why must everyone act like they know what the hell is right for me? Why does my family listen to a government, that doesn't care about them, rather than their own child who's been through all the stuff that they say will kill you. I guess you could say experience, but everyone's experience is different.
I write this as I can't sleep, rather than toss and turn, I seek advice.
I'm tired of all the dang setbacks, as a chronic drug user I try to cut back on my use of the heavier drugs, and when I do and I start to feel better about myself, then something happens and I get shot down and relapse again. My girlfriend thinks I don't love her. I have constant headaches, and my family thinks that I don't love them, because I isolate myself from them and spend more time with my friends, because I feel that they understand my pains. When I try to explain things to people, they don't even bother listening, and then they still get mad at me for not listening to them!
what is wrong with this world?!
better yet what is wrong with me...
Sometimes however my friends can't fill the void, and I'm left here comtemplating whether I should just stop hoping, and maybe then I wont get disappointed as much anymore you know?
I'm in great need of a hug.
