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Supposedly, you can put LSD under a blacklight and it'll glow. I don't know about all that.
If you can manage to get crystal, it will kind of spark when you shake it, though. But if you're getting crystal, I'm sure you know if it's real or not.
I stared God in the face and asked his name. He tickled from the tips of my toes to the tip of my head. I knew then that it didn't matter.