There are many mistakes you can make in business class. From this embarrassing ‘crime chime‘ (which you could be shamed online for) to overindulging on the champagne and passing out in the toilet, to assuming the seat belts work the same as in economy (hint: they don’t), flying at the pointy end is a perilous pursuit.
And that’s before we mention getting stuck next to another couple of rowdy passengers who seem determined to break David Boone’s record for cans drunk from Australia to England.
There is one mistake which is entirely avoidable,