Stick a sane person in a padded room for long enough and he or she will eventually go a little mad.
The same appears to hold for air travel.
Put someone on a plane and the strange sensation of flying through the sky seems to make us behave oddly -- suddenly the normal rules of acceptable behavior are sucked down the pan, along with all that startling blue liquid.
Witness the recent event in the United States when a pilot had a breakdown mid-flight.
But it's not just crew that can be affected -- passengers crammed into a claustrophobic metal tube with two or three hundred others are also vulnerable to odd deeds.
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