Well, because weed turned alot of my friends onto harder drugs (Not saying weed did, the people they got high with) into coke, meth, etc. And i'm not into any of that, and once I saw that, I started saying to myself, nahh, that's not going to be me. So I quit, for 3 months or so, then I just started hanging out with the kids in school who get high and get good grades and it's been smooth sailing.