She's prepared with reading material for the flight and is astounded to see that Puddy doesn't have anything with him to read.
She asks what he's going to do on the flight and he proceeds to stare straight ahead.
He then utters two powerful words:
It's good to "pull a Puddy" now and then. Just stop what you're doing, stare into space, think deep thoughts, breath deeply.
Minds that constantly fire burn out.
You need a little David Puddy in your life now and then.