Tom Sixkiller wrote:

What else do you do during long flights once auto-pilot is engaged?

Autopilot?

Sorry, George -- in your case, that would be your subconscious. :~)

Oh... You must mean my stepson (here, Peter; your plane). He's not engaged, though.
He's only 15, and we want him to wait a while before he gets married.

George Patterson
Great discoveries are not announced with "Eureka!". What's usually said is
"Hummmmm... That's interesting...."