First of all, the methodology is indeed wonky,I am not really a happy person but if I were asked whether I am satisfied with my life I would say Yes. Second, t

First of all, the methodology is indeed wonky,I am not really a happy person but if I were asked whether I am satisfied with my life I would say Yes. Second, the logic seems to be, smart people have bigger goals so they don't bother wasting time socializing. Which is true but not all smart people are well-accomplished. So although this might apply to researchers it might not to the "average" smart person. Edit: I forgot to mention that the fact smart people feel less happy interacting with many friends can be simply due to introversion and not necessarily their IQ.