“Nothing is impossible; the word itself says, ‘I’m possible’!” This quote by Audrey Hepburn is one of my favorites, because so often, the difference between success and failure is our perspective. A decade ago, I equated running a mile as an impossibility, thanks to a curvy spine and the enablement of doctor’s notes excusing me from my physical education classes in college. Then, after graduation, my brother dared me to run anyway and get in the best shape of my life. I accepted the challenge, pushing through shin splints and back spasms. Eventually, I plateaued at 3-4 miles. In other words, I became too comfortable with my routine, until a…