Many people wondered when exactly it was that he had lost touch with reality. Not that such a syndrome had occurred gradually, nor was it possible to define an exact moment in time. When he had traversed the boundary between what is and what isn't. Wherever that is. Some people take such a transition seriously (like some kind of religious experience) while others prefer a more down to Earth approach (could have happened anywhere any time). The truth of the matter is that all in all it doesn't really matter. At least not yet.