Mindfulness, kindness and positivity can take us far. But they cannot take us all the way. Sometimes, they can even hold us back. Emotions like anger, anxiety or doubt might be uncomfortable, but it turns out that they are also incredibly useful. Kashdan and Biswas-Diener explain the importance of developing our emotional agility' the ability to access our full range of emotions. Find out how: Anger fuels creativity Guilt sparks improvement Self-doubt enhances performance Selfishness increases courage Mindlessness leads to better decisions Drawing on years of scientific research and a wide array of real-life examples including sports, parenting, education, relationships, business, and more, The Power of Negative Emotion is a refreshing reality check against the constant exhortations to think positively