Bestselling author and happiness expert Gretchen Rubin has distilled life lessons into a new book of aphorisms, "Secrets of Adulthood," out today. Why it matters: Profound truths often come in small ...

Bestselling author Gretchen Rubin joins "CBS Mornings Plus" to discuss her new book "Secrets of Adulthood," offering practical insights on happiness, calm, and finding meaning in everyday life.

Gretchen Rubin (“The Happiness Project,” “Better ... All are among the aphorisms collected in her latest book, “Secrets of Adulthood: Simple Truths for Our Complex Lives” (Crown).