It's no secret that dogs can make us better people. But in her memoir What Is a Dog?, Chloe Shaw takes things a step further by pondering what lessons we can learn about striving to be our best selves by reflecting on all of the beloved pups who have touched our lives. In the wake of her dog's death, Shaw looks back on all of the canine companions she has had in her life so far, and reflects on how they've helped her grow as a human.