Last Friday evening, I started writing. Forty-five minutes at my desk, cursor blinking—nothing. I'd planned to write about the half-marathon, but the words wouldn't come. So I closed my iPad, walked to our village bar, and ordered a mojito—my first drink in three months. While training for the half-marathon, I'd avoided alcohol entirely. Now it's Sunday evening, and finally I'm able to write something that I hope you guys will get a lot from. I'd love if you can tell me how I did today and...