Today is my 50th birthday. I am half a century old. It does not seem possible, yet it most definitely is. I can feel the years when I get out of bed or sit too long, but I don’t really feel this old. I still feel young inside, it is hard to believe that I have been out of high school for 32 years and at the end of this month I will be married for 30 years. I actually feel better most days than I did 10 years ago. I had a bad leg for about 10 years. I am not sure exactly when it started, but I do…