Reasonable arrangement of time, only for self-cultivation, cultivate sentiment, will not lack energy, will not affect your study, but will make you more focused and energetic. Volleyball will strengthen your physique, strengthen your heart muscle and make you more energetic. Arrange your time reasonably, don't overload, or you will be tired. Painting is very good, it can cultivate sentiment and cultivate one's morality. When you are tired of studying, painting will become a kind of rest, much better than surfing the Internet. In this way, your positive energy will continue to strengthen.