Why Does Everyone Keep Telling Me That?

Guy with soul patch: Don't German people always drive at 200 miles an hour all the time?
Girl in front row, sarcastically: I think you mean 200 kilometers per hour.
Guy with soul patch: It doesn't matter, they're the same thing!
Professor, calmly: If I go crazy and start a killing spree, you'll be the first one I get.

George Washington University
Washington, DC