In response to an invitation to speak at international schools across Asia, I set off on a long trip. My first stop is Seoul, South Korea.

As always, I set my watch for Seoul time right away as my plane departs. If it’s early morning when I arrive, I try to sleep, or at least doze, on the plane. If I get in late at night, I try to stay awake. And taking my No-Jetlag pills helps me to adapt to the time change quickly.