I Won't Be Flying with Them!

A Chinese airline, China Southern, has concluded that it's too expensive for passengers use the toilet while aircraft is in the air. So, they've decided to tell all their passengers to piss before they get on the plane. They say that each time a passenger uses the toilet that it wastes 1 liter of fuel. Now, really, I can't believe that. But, whatever the reason, I have to piss to often to be flying their (un)friendly skies.