It's time for you to start thinking about how you can get more physically active. Going to the gym a few days a month or going for a jog every other morning is great, but you'll have a lot more fun with it if you can integrate your physical exercise and your free time. Pick up a sport. Start learning how to roller skate with a friend! There are all sorts of ways to burn calories and get your heart beating faster. You've got the creativity to figure out how to do it. Use it.