Picture this. You just got an old tired dog. That dog gets more and more energetic as you have it. It gets younger and younger and more and more lively as time goes on. Then instead of dying, well... I'm not sure what would happen. The story of this dog's life is backward. Living backward until finally able to settle down and come back and live the other way. The way it was meant to live. Coming back the same, only wiser and ready for the world of other dogs and animals and humans. That is aging backward. Living eternally.