We tend to think of bonding and love as deep emotions to be shared with a few. This interview about a positive psychologist reminds us that we can get an oxytocin boost almost any time by making a quick, warm connection. From the story:

In her new book Love 2.0: How Our Supreme Emotion Affects Everything We Feel, Think, Do, and Become, Barbara Fredrickson, Ph.D., suggests that true love isn't just about romance, companionship, or fondness; fundamentally, it springs from something she calls "micromoments of shared positive emotion."