"The problem with airline meals is that they usually include an unhealthy dessert item such as a brownie that many of us would rather not eat.

However, because the brownie is likely to sit on our tray table for an hour or more before being swept away by flight attendants, all too often the brownie gets eaten.

My colleague Jay’s solution is to use the mayonnaise that comes with the meal and smear it on the brownie as soon as possible.

The brownie becomes disgusting to Jay and his willpower battle is over."