The Weight of Regret
“Seven of the boxes had gold in them, which the participants would earn if they chose to open them. One box, however, had a devil in it. What happens if they open the box with the devil in it? They lose that round and any gold they earned so far with it.”
— “A devil.” That’s one of the more exciting parts from this article about how to live with no regrets (which wise people consistently advocate), and the charmingly/startlingly Grimm-style experiment they used to figure it out.