College is a time of exploration, adventure and self-discovery. For some people, that means "doing drugs." Even your new best friend Jenny Slate, star of this summer's charming and daring 'Obvious Child,' turned to marijuana during her college years, and the results were pretty mixed, as she shared with Seth Meyers on last night's 'Late Night.'

Slate's first mistake after discovering pot? Well, continuing with the pot, if this story is to be believed. After that, Slate made the somewhat common and possibly understandable mistake of confusing "astronomy" with "astrology" when picking her courses. The result was, well, kind of amazing, and perhaps the best unintentional PSA against drug use we've ever heard.

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