Passengers who do not believe in personal hygiene
Personal hygiene is the first step to good health and many friends. Taking the extra precautions to shower and wear deodorant is not only appreciated by those within your immediate vicinity on a plane, but also by the flight attendants who have to interact with you.
“PSA: If you plan to travel in a sealed tube with hundreds of other people, please check that your body odor does not burn the eyes of fellow travelers,” wrote a Reddit user and former flight attendant. “Seriously, how hard is it to spray a little deodorant before/between flights?”