Why Smart People Narrow Their Social Circles as They Age: A Good Answer

As we get older, an interesting thing happens: our social circle shrinks. They say that if a person is kind, open, hospitable and generous in spirit, there will always be many people around him. Some will love him, others will respect him, others will admire him, others will seek his advice, and others will imitate him.

Source: Why Smart People Narrow Their Social Circles as They Age: A Good Answer