"Not living on eighteen hundred calories a day, I take it, which is the subject of that order he cited. Had you known you could have asked him how long he had conformed to the ration and why he quit? Or asked him what he had for breakfast—and then looked unbelieving no matter what he answered. Or when you don’t know what a man is getting at, let your counter-question shift the subject to something you do want to talk about. Then, no matter what he answers, make your point and call on someone else. Logic does not enter into it—just tactics."