Our brains fly into a wild, almost desperate search for the missing piece of our minds, frantically generating S words and throwing them out when they don’t match what we’re looking for. Your amygdala treats these searches as matters of life and death, for surely if you don’t remember the actor who played Matt Damon’s therapist in Good Will Hunting, you will leap out of the nearest window.9 You experience such relief at finally finding your goal that the word becomes nearly impossible to forget.