"Well, it's like I have a GPS inside me," I told them. "One of the talking ones. I tell it where I want to go, and it tells me, Go twenty miles, turn left, take Exit Ninety-fourm and so one. It can be pretty bossy, frankly. Their eyes widened. "Really?" said one. No you idiot," I said in disgust. "I don't know how it works. I just know it has an unfailing ability to point me in the opposite direction of a bunch of boneheads."