The #1 New York Times Bestseller 'In this book, Arthur C. Brooks helps people find greater happiness as they age and change' - The Dalai Lama 'This book is amazing' - Chris Evans 'Avaluableguide to finding new purpose and success in later life' -Daily Mail **From the bestselling author and columnist behind The Atlantic 's popular 'How to Build a Life' series, a guide to transforming the life changes we fear into a source of strength. ** In the first half of life, ambitious strivers embrace a simple formula for success in work and life: focus single-mindedly, work tirelessly, sacrifice personally, and climb the ladder relentlessly. It works. Until it doesn't. The second half of life is governed by different rules. In middle age, many strivers begin to find success coming harder and harder, rewards less satisfying, and family relationships withering. In response, they do what strivers always do: they double down on work in an attempt to outrun decline and weakness, and deny the changes that are becoming more and more obvious. The result is often anger, fear, and disappointment at a time in