Convincing Pickup Line
Permanent link to this comic: http://xkcd.com/403/
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[[A couple sit at the small table of a cafe. The woman holds up a graph.]]
Woman: We're a terrible match. But if we sleep together, it'll make the local hookup network a symmetric graph.
Man: I can't argue with that.
{{Title text: Check it out; I've had sex with someone who's had sex with someone who's written a paper with Paul Erdős!}}