Do you turn all your molehills into insurmountable mountains? This accessible and engaging book will guide you along the path to stop catastrophizing so that you can reclaim control, achieve your goals, and live a happier life. Is your worrying keeping you up all night, eroding your self-confidence, paralyzing your ability to make decisions, and harming your physical health? Excessive worrying is a problem that affects everyone at some point in their lives, but for some people it can become a lifelong affliction. Catastrophic worry can turn even imagined setbacks into a cascade of devastating events, impacting your sleep, self-confidence, decision making, problem solving, ability to cope, and overall health. So, how can you put an end to this worst-case habit? In this guide, leading worry expert Graham Davey explains the science of why we worry, and offers a clear path to stopping catastrophic worry so you can regain control and live a happier life. Focusing first on the psychological processes that contribute to catastrophizing, you'll gain a solid, research-based understanding of where your worry comes from, with insight into how it can snowball. You'll also learn how to assess your own level of catastrophic worrying, and find exercises that directly address those processes to help you establish healthy habits, manage your mood and anxiety, and make decisions with confidence. With these easy-to-follow tips and exercises for letting go of anxiety, lifting your mood, and managing your catastrophizing, you'll learn how to live with uncertainty and embrace a life free of unnecessary worry.