Long article on happiness science:
One thing makes a striking difference. When two American psychologists studied hundreds of students and focused on the top 10% “very happy” people, they found they spent the least time alone and the most time socialising. Psychologists know that increasing the number of social contacts a miserable person has is the best way of cheering them up. When Jean-Paul Sartre wrote “hell is other people”, the arch-pessimist of existentialist angst was wrong.