On New Year's Eve, journalist and former Parade Editor-in-Chief Janice Kaplan makes a promise to be grateful and look on the bright side of whatever happens. Relying on both amusing personal experiences and extensive research, Kaplan explores how gratitude can transform every aspect of life including marriage and friendship, money and ambition, and health and fitness. She learns how appreciating your spouse changes the neurons of your brain and why saying thanks helps CEOs succeed. Through extensive interviews with experts and lively conversations with real people including celebrities like Matt Damon, Daniel Craig, and Jerry Seinfeld, Kaplan discovers the role of gratitude in everything from our sense of fulfillment to our children's happiness.