SONJA LYUBOMIRSKY is a professor of psychology at the University of California, Riverside. Her research-on the possibility of permanently increasing happiness- has been honored with a Science of Generosity grant, a John Templeton Foundation grant, a Templeton Positive Psychology Prize, and a million-dollar grant from the National Institute of Mental Health. Lyubomirsky's 2008 book, The How of Happiness, has been translated into nineteen languages. She lives in Santa Monica, California, with her family.