YouTube - Dan Gilbert: Why are we happy? Why aren't we happy? - 0 views
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thinkahol * on 21 Nov 10http://www.ted.com Dan Gilbert, author of Stumbling on Happiness, challenges the idea that well be miserable if we dont get what we want. Our "psychological immune system" lets us feel truly happy even when things dont go as planned. TEDTalks is a daily video podcast of the best talks and perfor