Research shows that only 20 percent of Americans consider themselves to be happy. What about the other 80 percent? Perhaps they are too busy. Maybe they are afraid to take risks. Whatever their reasons, these people have one thing in common: the desire to have a more satisfying life. “The secret to a happy life can be found simply in the practice of certain behaviors,” writes David Ireland. In “Secrets of a Satisfying Life,” he provides practical advice for attaining happiness and satisfaction.