Why smart people are better off with fewer friends by Christopher Ingraham and Thoughtty2 (youtube).
"Think of the really smart people you know. They may include a doctor trying to cure cancer or a writer working on the great American novel or a human rights lawyer working to protect the most vulnerable people in society. To the extent that frequent social interaction detracts from the pursuit of these goals, it may negatively affect their overall satisfaction with life."
Intelligent People Have Fewer Friends, Here's Why...Thoughty2
That's the implication of fascinating research published last April in the British Journal of Psychology. Evolutionary psychologists Satoshi Kanazawa of the London School of Economics and Norman Li of Singapore Management University dig in to the question of what makes a life well-lived. While traditionally the domain of priests, philosophers and novelists, in recent years survey researchers, economists, biologist and scientists have been tackling that question.
"Kanazawa and Li theorize that the hunter-gatherer lifestyles of our ancient ancestors form the foundation for what make us happy now. "Situations and circumstances that would have increased our ancestors’ life satisfaction in the ancestral environment may still increase our life satisfaction today," they write." Complete article at The Washington Post.