No matter how busy you are at work, don't neglect physical exercise. Material money is everything except your body, and only your body is your own. Health is capital, and happiness is based on health. Without a healthy body, it is impossible to be truly happy. As the saying goes, "life lies in exercise." Therefore, in order to ensure your health, no matter how busy you are at work or how tight your time is, you should take time out to exercise, or take part in outdoor activities, so as to enhance your immunity and resist the invasion of various diseases. Many studies have pointed out that you can get the benefits of exercise by exercising for 30 minutes every day, including preventing heart disease, diabetes, osteoporosis, obesity, depression and so on. Some studies even point out that exercise can make people feel happy and enhance their self-confidence.