sentences:  After first seeing it as a teenager in 1958, Donald Spoto had gone back for 26 more viewings by the time he wrote "The Art of Alfred Hitchcock" in 1976.In a 1996 magazine article, Geoffrey O'Brien cites other cases of 'permanent fascination' with "Vertigo", and then casually reveals that he himself, starting at age 15, has seen it 'at least thirty times'.