Ответ:

To keep fit is not easy job. It is modest and hard job for everyone. Firstly you must keep your healthy lifestyle and you must eat healthy food, you shouldn't be in sedentary lifestyle. You musn't eat junk food ! Then you should do sport every mornings! You musn't use alcohol, cigarettes and drugs! It was some recommends for you. If you want to keep your fit you must do this recommends . I wish you luck. :)