It's a silly nerd thing. On the show Big Bang Theory, the guy's a nerd, and she's not. This is that, reversed. Meh, it was a weak attempt, to be honest. I don't even watch the show.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)