Stumbling on Happiness (video)

http://www.ted.com/talks/dan_gilbert_asks_why_are_we_happy.html

http://en.wikipedia.org/wiki/Stumbling_on_Happiness / miserable if we don't get what we want psychological immune system lets us feel truly happy even when things don't go as planned Harvard psychologist Dan Gilbert beliefs what will make us happy are often wrong premise supports intriguing research explains accessible unexpectedly funny book Imagination add remove details future past more like present things will feel different once they actually happen /