People who have at least three or four very close friendships are healthier, have higher wellbeing, and are more engaged in their jobs. But the absence of any close friendships can lead to boredom, loneliness, and depression.
Tom RathWhen we get at least six hours of daily social time, it increases our wellbeing and minimizes stress and worry. The six hours includes time at work, at home, on the telephone, talking to friends, sending e-mail, and other communication.
Tom Rath