you lived in a compatible world of pictures that passed through your mind like a magic-lantern, often in vivid and glorious loonycolour, a world where memory and imagination ran free and did acrobatic tricks with your past and with what might be your future, an amok that produced all sorts of agreeable visions. Like the corporal said about sitting on the lavatory: it was the only time you have to think, and to quote him further, you thought of some lovely and marvellous things.