A new study has unveiled that if you have a small circle of friends and you are happy about it ,then indicated that you are intelligent,and more friends means fewer intelligence.The loner tend to be more intellectual than others.

Norman Li (Singapore Management University) and Satoshi Kanazawa(Evolutionary psychologists Satoshi Kanazawa of the London School of Economics )wrote that, “ situations and circumstances that would have increased our ancestors' life satisfaction in the ancestral environment may still increase our life satisfaction today”

They point what they call “The Savanna theory of Happiness” to describe two main data from a analysis of a large national survey o 15,000 respondents of adults aged 18 to 28.

The research is published in the British Journal of Psychology.