Research on happiness backs up the old idea that it’s an inside job: a twin study found income, education, marriage, and religion together explained less than 3 percent of the variance in people’s well-being, while a separate randomized trial found a simple daily gratitude exercise produced happines

What actually determines whether you'll be happy? Science suggests it's almost entirely up to you. The post Research on happiness backs up the old idea that it’s an inside job: a twin study found income, education, marriage, and religion together explained le…