She tries not to laugh. "I can't deny you do look very academic. You probably could get away with teaching any class here just by stepping to the front of a classroom."

They head out of the classroom into the bright sunshine of the campus. There's a grassy expanse in the middle of campus that has sidewalks running in all directions around it. Betty walks along one of these, aiming for the science building but she's not in a rush. "Where do you teach at? Is it usually by request?"