Why should summer clear fire, dispel dampness, avoid rashness and control anger

Why did the ancient Chinese attach so much importance to the cultivation of "heart" in summer? On the one hand, in summer, it is easy to consume the Yang Qi of the heart; On the other hand, people in hot weather are prone to sweat, and traditional Chinese medicine has always regarded sweat as the "liquid of the heart". Excessive sweating naturally consumes the Yin fluid of the heart. The injury of heart Yin and Yang is indeed an important reason for the frequent occurrence of heart disease in summer. In addition, from the perspective of traditional Chinese medicine, the heart and the small intestine are outward and inward, and the heart fire is easy to move down the small intestine, which can cause yellow urine, little urine, urgency and pain. More importantly, the heart is also the "spiritual place", which dominates people's emotions and thinking and consciousness activities. When the heart is hot, it is easy to be restless and restless and affect sle