"Didn't light up on the plane, some credit is deserved there." Because sometimes he really wanted to see what dismantling the smoke detector in the plane bathroom would really do. What's the worst that could happen? Not like they'd throw him off the plane.
He tilts his head to the side, watching Q smoke for a moment, but not at all ignoring his own cigarette. California makes him feel like this is some sort of precious commodity of time. Do it while you can, John. Because soon someone will stop you, and you'll be forced to gnaw and chew at your bottom lip like some sort of junkie.
"The flying, or the visiting?" Why else would someone do it once a year, if not for visiting purposes?