It sounds like a feel-good slogan, but the link between emotional intelligence and happiness is one of the better-replicated findings in psychology, though the honest version is tangled: some is just stable temperament, the arrow runs both ways, and the useful part is learnable

The claim that emotionally intelligent people tend to be the happiest sounds like the kind of tidy, feel-good line that turns out to evaporate under scrutiny. In this case it mostly survives. The connection between emotional intelligence and happiness is one …