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Foreword by Carol Diener. Part 1: Understanding true wealth. 1. Psychological Wealth: The Balanced Portfolio. 2. Two Principles of Psychological Wealth. Part 2: Happy people function better. 3. Health and Happiness. 4. Happiness and Social Relationships: - You Can't Do Without Them. 5. Happiness at Work: It Pays to be Happy. Part 3: Causes of happiness and genuine wealth. 6. Can Money Buy Happiness? 7. Religion, Spirituality, and Happiness. 8. The Happiest Places on Earth: Culture and Well-being. 9. Nature and Nurture-Is There a Happiness Set-Point, and Can You Change It? 10. Our Crystal Balls: Happiness Forecasting. 11. Taking AIM: Attention, Interpretation, and Memory. Part 4: Putting it all together . 12. Yes, You Can Be Too Happy. 13. Living Happily Ever After. 14. Measuring Your Psychological Wealth. Epilogue: About the Science of Happiness. Further Reading. References.
A 2009 study studied this question.