I turned forty one a few weeks ago. I marked the occasion by going to a conference in Milwaukee and pretty much telling no one it was my birthday. I celebrated with family, of course, but that was it. Today I was discussing work and life with a colleague. I had been complaining that my headache made me completely unproductive today and I was frustrated about it. The past few weeks, and if I’m honest –few months, have been a challenge. I have had severe headaches and my right shoulder has become chronically sore. I’m not used to chronic anything. I get sick (if I do) and then get well.…