Feelings like anger, boredom, guilt, and anxiety might be uncomfortable, but they are also incredibly useful. In this ground-breaking book, acclaimed psychologists Dr Todd Kashdan and Dr Robert Biswas-Diener explain why positivity and mindfulness can only take us so far. To live life to the full, we need to cultivate 'emotional agility' - the ability to access our full range of emotions (not just the 'good' ones). Find out why: * Anger fuels creativity * Guilt sparks improvement * Self-doubt enhances performance * Selfishness increases courage Drawing on years of scientific research and a...