"But you can come and go. That's different. Let me ask what you do when you're out there." What kinds of things do immortals do to amuse themselves? That's one question he can't ask, because he hesitates to lump all immortals into one category: it's senseless. Kind of like saying all men like women or all people with blue eyes have blond hair.

Some things, after all, defy classification. Even the concepts of death, life, and mortality.