Sometimes life reminds us of our limits.  I had a humorous encounter with my limits years ago when a dear friend/mentor asked me for a favor. This woman had invested in my life in such meaningful ways I’d run through a wall for her if I could, so I eagerly jumped at the opportunity. My assignment was simple: drive her to the hospital for a minor surgery, listen to post-op care instructions from the nurse, and drive her back home. And here’s how things went south: 7:30am: Surgery begins. I take a few sips of horrific waiting room coffee, read the newspaper, and watch the Today Show. 8:15am: Surgery successful! …