So what do you have to do to find happiness? - Sunday Times - Times Online: "Now Seligman is famous again, this time for creating the field of positive psychology. In 1997 the professor was seeking a theme for his presidency of the American Psychological Association. The idea came while gardening with his daughter Nikki. She was throwing weeds around and he was shouting. She reminded him that she used to be a whiner but had stopped on her fifth birthday. 'And if I can stop whining, you can stop being a grouch.'"