Martin Seligman, founder of the Center for Positive Psychology at the University of Pennsylvania, found that the following circumstances attribute to happiness:
1. to live in a prosperous, democratic country
2. to have an extensive social network
3. to be married
4. to be religious
5. to avoid negative emotions
However, the circumstances of earning more money, living in a sunny country, staying healthy and following the best possible education, proved not to have any effect on our level of happiness on the long term, even though most of us believe so...