Happiness 101: A how-to guide in positive psychology for people who are depressed, languishing, or flourishing, The Participant's Manual is your guide to learning more about what current research has to say about happiness. Happiness is a state of mind we all want, yet few of us know how to reach it. In this group manual, you will learn how much of your happiness is actually under your control, why it is difficult to be happy with what you have, and why participating in your favorite activity less, is actually better for you. Moreover, this program will help you practice multiple interventions in order to maintain a long-term approach to happiness. So, get ready for some big changes! Modules include: 1. Myths and Beliefs about Happiness 2. What are the benefits of being happy? 3. Adaptation, genetics, and circumstances 4. Intervention principles: Effort, fit, variety. 5. Positive emotions 6. Theory of Authentic Happiness (Seligman, 2002) 7. Flow 8. Positive interventions