I was recently asked The Question while passing a group of (middle-aged) men and women, but just smiled and kept going; I pass the same group again minutes later, and was told that they were still waiting for an answer. I said "I could ask the same question," at which point one of the women said "but you're too polite." But - as threatened in an earlier post - I now have a little pin on the inner apron of my kilt, which I can (and do) show my interrogators: