The key to happiness is being rich, successful, and beautiful...right? Martin Thielen, best-selling author of What's the Least I Can Believe and Still Be a Christian?, insists that this is far from the truth. Happiness, Thielen argues, does not come from external factors like getting a job promotion or finally reaching your goal weight. Rather, happiness is an inside job. In brief, easy-to-read chapters, Thielen offers ten traits...