The importance of exercising. A small essay to check. Exercising is very important part of our life. There were times when people used their body much more effectively because of their job specific and in the absence of modern machines that do now our life easier but less healthy. The body needs to realize its physical potential. If you don't do it, something will go wrong with it. I try to do exercise at least 3 times a week. Sometimes it's difficult to force yourself to start a session after a hard working day. But when I finish, I always say thanks to myself for what I have done, because I feel much better. But sometimes I think that it can be more effective and joyful to replace fitness by some other activity, for example - dancing.