【正文】
is, you must try to reflect as quickly as you can so that you may fight back at the right position at the fight moment. Exercise can also contribute to improving our mood. When you do exercise, you move a lot, and you have to be more active. It helps you bee more optimistic. Exercise will fill your life with various contents and make it more colorful. What’s more, exercise will help you get rid of your inertia. If you keep doing exercise regularly, you will never be a lazy person. Therefore, exercise has great effect on one’s character. In a word, exercise is helpful, important and absolutely necessary.