And as a football coach in the National Football League, I know for sure that it's going to end someday.

I had 10 to 12 close buddies who I played ball with all the way from elementary to high school. That is where I learned to compete.

(Offensive Coach) Paul Hackett realized that Joe Montana knew more about the offense than he did, but when the meeting was over, Paul saw that Joe had taken three pages of notes. He documented exactly how Paul wanted to run the play, as well as all of the basics of it and its details. That's what a professional does.

But there's no substitute for a full-time dad. Dads who are fully engaged with their kids overwhelmingly tend to produce children who believe in themselves and live full lives.

No excuses. No explanations.

I love coaching football, and winning a Super Bowl was a goal I've had for a long time. But it has never been my purpose in life. My purpose in life is simply to glorify God. We have to be careful that we don't let the pursuit of our life's goals, no matter how important they seem, cause us to lose sight of our purpose. I coach football. But the good I can do to glorify God along the way is my real purpose.

I learned from Chuck Noll in Pittsburgh that speed and explosiveness on defense is the way to build a team. Both are difficult for your opponent to assimilate in practice and then in games it is even harder to match.