The Joys of SharingTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video04/02/2013April 2, 2013After an era where it was cool to be stingy, more and more Germans are discovering the joy of giving. Psychologist say altruism is the 'formula for happiness' and researchers are already calling it the latest trend.https://p.dw.com/p/17DZ8Advertisement