Why Today Is Better Than the Past?

  According to an influential article published in Review of General Psychology in 2005, 50% of people’s happiness is determined by their genes, 10% depends on their circumstances and 40% on “intentional activity” (mainly, whether you’re positive or not). This so-called happiness pie put positive-psychology acolytes in the driving seat, allowing them to decide on their happiness trajectory. (Although, the unspoken message is that if you are unhappy, it’s your own fault.)