Book excerpt: Optimism is a key ingredient for happiness and success in life. Optimistic people have more fun, they're healthier, and they achieve more of their potential. Unfortunately, many people believe it is impossible to learn optimism. However, optimistic thinking is a skill anyone can learn. In this simple, practical title, readers will find twenty engaging exercises – including simple practices such as journaling, affirmation, and physical exercises – that will teach them to be optimistic. Readers will learn how to recognize and deal with problems as they arise, nurture a positive outlook, and be happier and more successful in life.