"Yes, exactly!" she concurs enthusiastically. "Talk now because here's my concern - I don't want to still be writing if the juice is gone. I have seen writers plow diligently onward long after they should have given up," she says with a groan. "So I don't want to be one of those writers. But I'm hoping that if it's over before it's over, somebody will have the good grace to shoot me."[SUE GRAFTON]'s last comments about writers instantly brings to mind the much-used show business metaphor 'jumping the shark,' which was coined in the 1980s after the long-running hit sitcom Happy Days proved they'd overstayed their welcome after creating a now infamous episode in which the Fonz character platform-jumped on water skis over some sharks. When I share that metaphor with Grafton she reacts by saying excitedly "Yes... exactly! The danger I experience is that when I finish an (alphabet) book I honestly think 'that's the end!' I truly have no other ideas... no clue what I'm going to do. So I then have to sort of build up my strength and my courage again to tackle the next job.""I'm not sure if is going to be goodbye, as I can't imagine my life without writing," she answers. "And readers are fretting about it. They have been sooo worried (laughs). And what I am saying now, and I think is true is that if I write about [Kinsey] after Z is for Zero, I just will not do linking titles. That seemed to be such a keen idea when I came up with it," she deadpans, "although I'm now going 'what was I thinking?' But the truth is, I didn't think it would work," she admits. "How was I supposed to know?"