Almost by definition this is shaky science at best, but Daniel Gilbert seems to be one of the best. His book on the topic is here -> http://www.amazon.com/Stum

Almost by definition this is shaky science at best, but Daniel Gilbert seems to be one of the best. His book on the topic is here -> http://www.amazon.com/Stumbling-Happiness-Daniel-Gilbert/dp/1400077427 http://www.amazon.com/Stumbling-Happiness-Daniel-Gilbert/dp/... The impatient can look at his TED talk here -> http://www.ted.com/talks/dan_gilbert_asks_why_are_we_happy.html http://www.ted.com/talks/dan_gilbert_asks_why_are_we_happy.h...