10 Airport Secrets That Only Insiders Know

Yes, you're exhausted, stressed and anxious, and your shoulder hurts from all the stuff you had to cram into your carry-on in order to avoid the fee for checking a second bag. Still, say thank you to every person who does anything for you at the airport, be it slapping an address sticker on your bags or processing your customs form—not because they might give you a free upgrade or the last can of Pringles on the cart but because no matter how long it takes to get from point A to point B, you'll feel better about yourself and your trip if you treat your fellow humans with a little humanity.

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