Webikigai reveals the secrets to their longevity and happiness: How they eat, how they move, how they work, how they foster collaboration and community, and—their. Webhere are the 10 rules of ikigai, the japanese secret to a long and healthy life: “my secret to a long life is always saying to myself, ‘slow down’ and. Webthe japanese word ikigai, which has recently gained attention worldwide and enjoys widespread use, refers to a passion that gives value and joy to life.