"Over the 16 years, the average amount of items that people already had on the list increased from 1.7 to 3.1, but “the good life” went from consisting of 4.4 items to 5.6 items. The participants were always two items short of where they wanted to be – both at the beginning of the survey and at the end."

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What I Learned Today: Come on, Let’s Get Happy! 

Great read, and thought-provoking to boot.