Sutra 02 13:00 pm. Mammy said lightly: , I will expin the Sutra of the Women in the Room, The first method of damaging the essence and blood is called qi renunciation. That is, the essence and blood are depleted. Causes of depletion of essence and blood. It is often because there is no desire to have sex in the heart and reluce to have sex. Causes profuse sweating all over the body. Yuanjing and blood energy leaked out together with sweat. And this leads to irritability in the heart. Because of extreme fatigue, I &039;