The mood boost of talking to strangers may seem fleeting, but the research on well-being, scientists say, suggests that a happy life is made up of a high frequency of positive events. Even small positive experiences — chatting with a stranger in an elevator — can make a difference.

The mood boost of talking to strangers may seem fleeting, but the research on well-being, scientists say, suggests that a happy life is made up of a high frequency of positive events. Even small positive experiences — chatting with a stranger in an elevator — can make a differ