I love a good game of Scrabble. After one particular game, my friends named a move after me—calling it a “Katara.” I’d been trailing the entire game, but at the end of it—with no tiles left in the bag—I made a seven-letter word. This meant the game was over, and I received fifty bonus points as well as all the points from all of my opponents’ leftover tiles, moving me from last place to first. Now whenever we play and someone is trailing, they remember what happened and hold out hope for a “Katara.”

Remembering what has happened in the past…