1.
Anticipate your tendencies when buying your tickets.
2.
Remember the boarding process sets the tone for the entire flight.
3.
Think of the armrest as a buffer between passengers rather than "part of your seat."
4.
Be considerate to someone trying to rest. Be kind to the nervous.
5.
Upon exiting, remember everyone is in a hurry.
6.
Don't blame flight attendants or fellow passengers for systemic problems.
7.
Maintain a healthy perspective on the magic of flight.
8.
Don't disrupt a flight for the sake of your ego.