India, Aug. 29 -- I have written earlier about how people seem to forget the rules of civilised behaviour while at the airport. It's almost as if the airport is a portal between two places, where anything and everything goes: Drinking alcohol for breakfast; wearing your PJs out in public; stealing snacks from the lounge etc.

But I have realised over the years that truly anti-social behaviour really kicks in when people are in the air. That's when all inhibitions seems to disappear and it's a free-for-all in the skies. It's almost as if for some folks their inflight experience is less than perfect if they can't make a perfect nuisance of themselves.

And how do they do that? Well, let me count the ways.

For me, the most annoying thing is...