According to an etiquette coach, there are several things passengers should avoid doing on a plane.
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From holding up the bathroom line with your skincare routine to playing music without headphones, there are numerous etiquette mistakes people make when flying on airplanes.That's why Business Insider asked etiquette coach Mariah Grumet about the things passengers should avoid doing while on a flight.Here's what she had to say.
Reclining your seat without regard for others
Reclining your seat is OK, but be courteous to the person sitting behind you.
