First, people were not thinking about what they were doing 47 per cent of the time. Second, people were unhappier when their minds were wandering than they were not. And third, what people were thinking was a better predictor of their happiness than what they were doing.
David Michie, Mindfulness Is Better Than Chocolate: A Practical Guide to Enhanced Focus and Lasting Happiness in a World of Distractions
happiness, mindfulness, self-help