Social Psychologist Sara Konrath* discusses the personal happiness that arises through the act of giving.  She also considers how to teach empathy.  An old line is "It is better to give than to receive," which plays out at a practical level in this discussion.    

*Sara Konrath is a social psychologist and Associate Professor who directs the Interdisciplinary Program on Empathy and Altruism Research (iPEARlab.org) at the Indiana University Lilly Family School of Philanthropy.