Teri Garr, one of the show’s favorite guests, to converse with Dave. When she all but shouted at him: “How are you doing?,” Letterman grabbed a pad on his desk and scribbled a note that he passed back to her. The note read: “I hate myself.” When Garr tried to reassure him that he was, in fact, truly a wonderful guy and talented star, he grabbed the note back, underlined “I hate myself” twice,
