Physical fitness takes commitment to exercise just as it requires good nutrition. But it doesn't have to be painful. Just the opposite: Vigorous exercise actually is stimulating. It boosts your energy levels, invigorates your mind, and just feels good afterward. The hardest part, of course, is getting started.

If man made it, don't eat it.

My wife is my protector. Without her, I'm nothing. She wants to please me, and I want to please her. We've been together over 53 years.

You should do it against the clock. Say you are going to do 30 laps in 15 minutes. Then you try to do it each day a little faster. That is putting demands on the body, and that is how you build up. You keep up your energy instead of going downhill.

It's a lifestyle, it's something you do the rest of your life," LaLanne said. "How long are you going to keep breathing? How long do you keep eating? You just do it.

By exercise. I'll tell you one thing, you don't always have to be on the go. I sit around a lot, I read a lot, and I do watch television. But I also work out for two hours every day of my life, even when I'm on the road.

Look at the average American diet: ice cream, butter, cheese, whole milk, all this fat. People don't realize how much of this stuff you get by the end of the day. High blood pressure is from all this high-fat eating.