Worrying about the past or the future isn't productive. When you start chastising yourself for past mistakes, or seeing disaster around every corner, stop and take a breath and ask yourself what you can do right now to succeed.

Your past is not your potential.

If you find yourself plagued by a recurrent worry, train yourself to think of something else. Your conscious mind can concentrate on only one thought at a time, and driving the negativity away will free you up to move forward again.

Good habits are as addictive as bad habits, and a lot more rewarding.

Expect to make some mistakes when you try new and different approaches. Sometimes colossal failures lead to spectacular successes.

Day in and day out, your tax accountant can make or lose you more money than any single person in your life, with the possible exception of your kids

I have ten marathons under my belt, including four New York races and one Boston.