No one wants to live forever if it means becoming increasingly decrepit.

This is a comment on fear. Today it's like 'They're going to bomb the New York subway and there's the avian flu and 50 million of us are going to die.' We wanted to make fun of that fear-based culture we've been plunged into. And Halloweens the perfect metaphor for fear.

Physical immortalists today, those who think science will find a way to keep us young forever, would call Hanaya Yanagihara scenario the Tithonus error. They think they'll find another way. I'm not so sure. It seems like her book views immortality as a dangerous desire.