We all know love matters, but in this groundbreaking book positive emotions expert Barbara Fredrickson shows us how much. Even more than happiness and optimism, love holds the key to improving our mental and physical health as well as...

World renowned researcher Dr. Barbara Fredrickson gives you the lab-tested tools necessary to create a healthier, more vibrant, and flourishing life through a process she calls 'the upward spiral.' You'll discover:•What positivity i...