And what cognitive glitch helps you achieve grit? Positive illusions. Other studies showed that if you had positive illusions, you were less likely to experience discouragement after setbacks. And while grit is a cocktail of many traits, one of its most important ones is just that: an ability to keep going after setbacks, to keep going in the face of no evidence that what you are striving for will ever work, or, as Duckworth puts it, “maintaining effort and interest over years despite failure, adversity, and plateaus in progress.”
