Many people are under the misconception that if they are thin they are fit. There are many thin people who have high cholesterol, high blood pressure and are really, not as fit as they think they are. There are some things that you should consider if you want to know just how fit you really are.
If you are looking to get more fit, find a friend that will make the commitment to get in shape with you. With someone on your side, you will be held accountable for accomplishing your fitness goals. You can keep each other motivated and try new work out classes together. Finally, a friend can motivate you when you start slacking off.