Earlier quoted context omitted.
The journal article cited for this indicates not that smart people are happier with smart friends, but that "More intelligent individuals actually experienced higher life satisfaction with lower frequency of contact with friends." http://www.ncbi.nlm.nih.gov/pubmed/26847844 A lot of the meta-articles seem to be hypothesizing that intelligence could be an evolutionary adaptation for dealing with novel circumstances, a…
> More intelligent individuals actually experienced higher life satisfaction with lower frequency of contact with friends Does the article imply causation or just correlation? If the latter, I would assume the causation is the opposite - happier people need other people less, because they're happier even by themselves.
I don't mean flashes of happiness caused which happen in everyone's life, but stable, balanced feel that gets cannot be easily disrupted and rather quickly returns back.