Bars: maybe you've been to one, maybe you're at one right now (go talk to someone), but how do they work? Why are some drinks cool and other drinks carry some sort of social stigma? Are your jokes lame? How long should you fantasize about settling down with the woman across the bar before realizing that she's seen you and you're creeping her out? All this and more is answered by the hilarious Casually Explained:

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