30 In the Preface he wrote for the second impression of Dymer (1950) Lewis explained that: ‘In those days the new psychology was just beginning to make itself felt in the circles I most frequented at Oxford. This joined forces with the fact that we felt ourselves (as young men always do) to be escaping from the illusions of adolescence, and as a result we were much exercised about the problem of fantasy or wishful thinking. The “Christina Dream”, as we called it (after Christina Pontifex in Butler’s novel), was the hidden enemy whom we were all determined to unmask and defeat.’