We all know fear. When you experience fear, your body reacts: you feel the adrenaline release as your heart races, your breathing accelerates, your muscles tense, and your brain goes hyperalert. Sometimes that can be intensely fun: think of the rush of the roller coaster or the big game. Sometimes it can come as a terrifying “amygdala hijack” as panic grips you so utterly, you cannot think but only shake, sweat, and fret. Underneath those bodily experiences are common thoughts. We fear