Holy shit. I just found out that one of my friend's good friends killed himself recently by drinking paint thinner. I don't know if you can get high like that in any way, but knowing that kid, it's probably what he was going for, not really suicide. He just got out of high school too. That's rough man...
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Regarding organic chem, I hear mixed things. Sometimes good, but mostly bad. I don't know what to think really.