Although changing your entrenched emotional habits is possible, it’s no easy feat. Think of it as moving a river: easier than moving a mountain, yet not something done on a whim, or without concerted effort over extended time. It requires nothing less than building a new foun dation, a new riverbed, along which your desired emotions can flow. Indeed, the best new research suggests that forging lasting changes in your positivity ratio requires as much intention, effort, and lifestyle change as losing weight or lowering cholesterol levels.12 This is why a simple platitude like “Don’t worry, be
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