"You burn calories when you walk! Certainly, you don’t expend as much energy as you do when you run, but you burn it nonetheless. Consider picking up a good pedometer, if only to gauge how many steps you take in the average day. If nothing else, knowing how many steps you take on the average day will give you a better idea as to your regular activity level – around the home and/or the office."
"Zone out! There’s a reason why people exercise to their favorite music – takes your mind off of the physical activity. That’s the secret to making “exercise time” fly. If you’re concentrating on what your body is doing, the session is going to drag on for what will seem like days. Buy a portable music player, or situate yourself in front of a television."