It's very useful to keep fit with your brother's energy. It is very useful to exercise with Vigorous Brother, because it can make people feel comfortable, cheerful and release stress. If you are under great pressure at ordinary times, you can practice by fitness, but there are many ways to exercise during construction. First of all, fitness long-distance running is popular, which can improve the respiratory system and cardiovascular and cerebrovascular systems and help all aspects of the body.