And check this out in the NYT – Benefits of a practice of gratitude.
http://www.nytimes.com/2011/11/22/science/a-serving-of-gratitude-brings-healthy-dividends.html


A Serving of Gratitude Brings Healthy Dividends
www.nytimes.com
A new series of experiments and studies shows, for the first time, that the feeling of gratitude is linked to lower rates of aggression.