… the driver recognizes you when you get onto the bus to your local airport.
… you don’t even look up the number of the check-in counter anymore.
… you have all your make-up in a little bag you don’t even unpack anymore.
… you have various cosmetic products that are labeled in foreign languages.
… you find yourself postponing the visit to the duty free shop because you will visit a bigger or better one soon.
… you know how to say „To the airport, please“ in at least one more language than you actually speak.
… you regularly schedule tasks for the time on a plane.
… you always carry your passport in your bag.
… you seriously consider buying a share of your favourite airline that doesn’t have a frequent traveler programme.