Becoming an adult today can seem a grim prospect. As you grow up, you are told to renounce most of the hopes and dreams of your youth, and resign yourself to a life that will be a pale dilution of the adventurous, important and enjoyable life you once expected. But who wants to do any of that? No wonder we live in a culture of rampant immaturity, argues internationally-renowned philosopher Susan Neiman, when maturity looks so boring.