When you can spend fifteen minutes describing the cultural fighting styles --complete with gestures-- of each race infront of a class of snoozing teenagers because, finally, you've found one person who actually seems interested.
We can get away with it. Its Humanities.
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"Loo, what sholde a man in thyse dayes now wryte, 'egges' or 'eyren'?" - Caxton, Eneydos