It is very important to keep fit and stay healthy. Firstly, you should have a balanced diet. For example, you ought to eat more vegetables, fruits and avoid eating fast food. Secondly, doing exercise regularly is also a way to stay healthy.It is very important to keep fit and stay healthy. Firstly, you should have a balanced diet. For example, you ought to eat more vegetables, fruits and avoid eating fast food. Secondly, doing exercise regularly is also a way to stay healthy. For instance, you can play volleyball, walk or go swimming every morning. Moreover, doing exercise will help you stronger, more active and prevent a lot of diseases.