i dont know..

i need some help...i wanna quit smokin weed,,,but i cant..im bout to go find some weed rite now,,,but im tryin so hard not to,,in my mind,,my body needs to get high..
its all i think about...i smoke like a half once a day..and more..i jus smoke and smoke till i cant smoke no more...
i quit all my other drugs..some what..i used weed to replace my other habits
i still do other drugs,,when i go out and party,,i use to do cocaine like for 3 days straight
mixed my weed and crack
i done all types of pills
but i stopped kind of...im not as bad as i was...i feel hopeless..i dont know what to do...i dont have nobody to talk to..i dont have any friends...im ******...whats next...i jus want to stop thinkin of everything...i jus wanna die.