Tomorrow is my 55th birthday. Fifty. Five. I feel as if I’m walking along the edge of two very disparate parts of my life. The younger, vibrant, energetic me. And a me that is starting to slow down a bit and is enjoying short haircuts and sensible shoes. You have these pieces of your life that all connect: Childhood, elementary school, high school, college, your twenties and thirties, dating. Then there’s the marriage part of life and kids if you’re a mom and then they go to