Oh, go on' you prod encouragingly. 'Well, just a small one then,' they say and dartingly take a small one, and then get a look as if they have just done something terribly devilish. All this is completely alien to the American mind. To an American the whole purpose of living, the one constant confirmation of continued existence, is to cram as much sensual pleasure as possible into one's mouth more or less continuously. Gratification, instant and lavish, is a birthright. You might as well say 'Oh, I shouldn't really' if someone tells you to take a deep breath.