It's easy to miss the most bizarre behavior at the airport if you're not looking carefully enough. Perhaps you're too focused on making your flight in time that you don't notice some random lady fully doing yoga poses at the gate like she's in a class or something. Alternatively, perhaps you just landed and you're so exhausted that you just want to focus on getting out of there as soon as possible. If that's the case, you might miss all the greeting signs from friends, family, and car service d…