hello im not sure if this is in the right location but I am wondering how I can get the weed out of my system fast I only smoke like 3 grams and I didn't smoke or like 3 or 4 weeks befre I smoked the 3 grams and I weigh like 125lbs and I am like 5'9 is there anyway I can get this out of my system realy fast or do I not even have to worry about it because I might have to take a drug test