Affluence vs. Happiness
“But within affluent countries, where nearly everyone can afford life's necessities, increasing affluence matters surprisingly little. In the United States, Canada, and Europe, the correlation between income and happiness is, as Inglehart noted in the 16-nation study, "surprisingly weak (indeed, virtually negligible)."”
- David G. Myers, The American Paradox: Spiritual Hunger in an Age of Plenty, p. 131