Living a happy single life, with Geoff MacDonald, PhD

More Americans than ever before are single -- about half of American adults are unmarried and close to three in 10 are not in a committed relationship. Geoff MacDonald, PhD, of the University of Toronto, talks about how relationship status is related to well-being, whether there is a societal stigma against singles, and why there is so much more research on being in a happy relationship than there is on being happily single.