First-class fliers have a code. It’s subtle and usually comes with a glass of champagne. If you want fit in before you fall flat in a sea of stares, learn the unspoken rules—lest you mistake the amuse ...

Christy Bieber has a JD from UCLA School of Law and began her career as a college instructor and textbook author. She has been writing full time for over a decade with a focus on making financial and ...

Opinions expressed by Entrepreneur contributors are their own. Once you’ve experienced the luxuries of flying First Class, it’s nearly impossible to return to the cramped, close-knit quarters of coach ...