hi i am 24 year, old and am not addicted to any particular drug , whole day i dont feel lyk having any drug , but at evening i dont knw wat happend to me , i drink alchohal and i take it in a huge quantity , or i'll take opium, mrijuana , any thing which gives me pleasure ,,. , i tried it many tym not to take any thing but at last i dont hav control and i take it ,,, sum times i quit evry thing for 3 month .. , i dont knw wats wrong with me . any suggestions>??