I'm never really going to be the normal teenager.

Older fatherhood isn't all bad: testosterone rates drop about 1% per year as men age, making them less reactive and more patient, and a professionally established middle-aged man is likely to have more time and money to devote to his kids than a twenty-something who's just getting started.

The first feminine feature that goes, with advancing age, is the neck.

We were making the first step out of the age of chemistry and physics, and into the age of biology.