This book is a story of our emotions; a story of why and how we feel as human beings as told by philosophers, biologists, neuroscientists, sociologists, and economists. Drawing on the rich psychological research on emotions, this book invites you to revisit your emotions and to better appreciate and understand how feeling states define us and our humanity. Part of the Sunway Shorts series, this book is authored by Eugene Tee, Associate Professor and Research Coordinator at the Department of Psychology, HELP University, Malaysia.