Anything is bad if you abuse it, anything is medicine if used appropriately. Ultimately you're better off completely sober, no booze, no lust, no mind altering substances, but then what about the drugs the body itself produces. Your brain makes DMT, we have cannabinoid receptors, Delta-THC9 is poisonous to a lot of mammals but it synergizes well with us. It largely has to do with the fact we don't have go into heat like other animals we can have sex at any time. I'd say soy, and traditional western diet makes you more of a crying faggot than taking a toke after a hard day's work, or before your workout. Now if you're blazing from the second you wake up until you pass out, you're a loser and probably aren't doing much of anything. If you have anything resembling a real job with deadlines and schedules, you won't have time to do any pot smoking. It takes 3 days to get over a marijuana addiction, just 3 days going cold turkey and all the withdrawal symptoms vanish, mostly irritability and difficulty sleeping. After ~10 days your sweat and piss will smell like weed, that means you're purging it from your body. In 3 weeks it should be out of your system if you have a reasonable metabolism and body mass.