Inhalt: Feel like you're on a treadmill that won't stop? Learn to step off and hit your stride. Not long ago Christine Carter, happiness expert at UC Berkeley's Greater Good Science Center, speaker, writer, and mother, found herself caught up in the busyness of modern life: too many conflicting obligations and not enough time, energy, or patience to get everything done. She tried all the standard techniques--prioritizing, multitasking, delegating--but found that she needed a new approach, one that would allow her to live more in that zone we've all glimpsed but can never seem to hold on to: the sweet spot of expertise, efficiency, and ease. Drawing on her vast knowledge of the latest psychological, neurological, and biological science related to happiness, productivity, and elite performance, Carter put herself through the practical paces. Her goal was not to live a stress-free life, but rather to build stress resilience and find a quicker path to calm and confidence....