I have only done half a line of cocaine, and only once... it was an alright feeling it lasted for about 30 minutes... I'd rather do something like shrooms though way more worth the money.
I once talked to someone who, not having had any previous experience with drugs, snorted most of a handful of cocaine, and almost had a heart attack. Putting aside the fact that that was a pretty dumb thing to do, I think it made the point that cocaine is pretty dangerous. If you're going to be dumb and take cocaine, at least know what you're doing first.
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