During the pandemic, Oprah Winfrey contacted Harvard professor Arthur Brooks, famed for his lessons on happiness, and proposed teaming up to write a book about finding enjoyment and meaning in your life. CBS News' Norah O'Donnell talks with Winfrey and Brooks about their collaboration, "Build the Life You Want: The Art and Science of Getting Happier," and about the importance of accepting unhappiness in order to gain fulfillment. Watch the segment to learn more.