One day, you look in the mirror, and see gray hair. One day, you realize there is less of your life left than what you've already lived. And you think, How did this happen so fast? It was only yesterday when I was having my first legal drink, when I was diapering him, when I was young. When this realization hits, you start doing the math. How much time do I have left? How much can I fit into that small space? Some