routine a sap. >> sometimes people are reading newspapers. >> if you can sit there and read the small print of a magazine while you're supposedly getting a workout, you're not working out hard enough. if you really want to listen to a book, get an audio book, if you need to take your mind off of it. otherwise, get pumped up music. work better, stronger, faster. that's my favorite strong. >> that's mine, too. slow and steady doesn't win the race. >> exactly, if you're trudging away on the treadmill for an hour, you could be working harder if you cut your workout time in half. that's crazy. if you do intervals, you can get more of a calorie burn, get more fat burned off your body and see better results by cutting your workout time in half. >> want to work more efficiently and smarter. getting off the weight machines is a good idea for a lot of us. why is that? >> weight machines are good if you're brand new or you have a