Flight etiquette can be a tricky business, with everything from reclining your seat to moving to allow family members to sit together causing tension.
But one grey area is when an elderly person asks to sit in your space. While on other modes of transport, such as trains or buses, you might jump up to allow them comfort, long-haul planes are another affair.
Sitting in the same place for hours on end can be uncomfortable, which is why some pay for extra legroom. And in that instant giving up your seat does not feel as imperative.
