Flight attendants say it's okay to recline your seat on a plane, but there's one thing you should never do

• Insider surveyed six flight attendants on their thoughts about controversial airplane etiquette.
• The majority said it's perfectly fine to recline your seat back, especially on longer flights. 
• The one thing they almost all agreed on: please don't take your shoes off on the plane. 

Now that everyone's flying again, it's time to revisit one of the most polarizing debates in travel: to recline or not to recline your plane seat.