Within two years, Rich Roll had become one of the fittest ultra athletes on the planet, gone vegan, and, in the process, was beginning to find out who he was and what he was capable of -- as an athlete, as man, as a father.

The next time you think about grabbing a bag of chips and sitting on the couch, remember it is never too late to jumpstart your fitness -- no matter your age, weight, size or workout history.

I had put so much time and effort into the thought of quitting and... that was just it. I had put too much time, actually all my time, into preparing to quit. I had overlooked the fact that I had a chance to achieve something huge.

Oh, it's the question I've heard most often for the nearly 40 years I've been encouraging Americans to lose weight and get in shape. "Richard, can you motivate me to lose this weight?"