. Anger makes us creative, selfishness makes us brave, and guilt is a powerful motivator. The real key to success lies in emotional agility. Drawing upon extensive scientific research and a wide array of real-life examples, The Upside of Your Dark Side will be embraced by business leaders, parents, and everyone else who’s ready to put their entire psychological tool kit to work.Sure, we all want to be happier. But we also want – and need – to experience the full range of emotions. Biswas-Diener and Kashdan argue that emotions like sadness, anger, pride, andfear serve vital functions. Anger can motivate us to make changes. Fear signals threat. While we don’t want anger, sadness, or fear to take over and overwhelm us – like they so often can – these emotions can enhance our lives in meaningful ways. Here, you can learn how to embrace them all.