" If we scan the situation and conclude that we don’t have the wherewithal needed to handle things, that leads us to appraise the stress as a threat. If, on the other hand, we appraise the situation and determine that we have what it takes to respond adequately, then we think of it as a challenge. "

― Ethan Kross , Chatter: The Voice in Our Head, Why It Matters, and How to Harness It