Seven losses Closed: refers to the male sperm duct occlusion, or no sperm can be emitted, or the penis is in severe pain during intercourse. Ejaculation: sweating more than once during intercourse. Exhaustion: the lack of moderation in intercourse leading to the exhaustion of sperm. Do not: The penis is not lifted but hard to perform intercourse. Boredom: shortness of breath with panting during sex. Desperate: no desire when forced to perform intercourse. Fei: sex in a hurry to fast. Eight benefits cure qi: every morning after waking up is sitting in bed, straighten the spine, relax the hips, contract the anus, can guide the body’s qi down. To foam: that is, swallow the saliva in the mouth to ensure smooth breathing. Know the time: couples should caress and play with each other before intercourse, and wait for both parties to have a strong desire before performing intercourse. Storage gas: during sex, both parties should relax the back and contract the anus. and foam: sex should not be too rough, try to be gentle and soothing. Build up the air: during sex, men should slow down their movements and pause slightly at each step to allow women to fully experience. To be won: when the climax is approaching, men should bend their backs; after ejaculation, men should wait for a while and not finish by themselves. The fixed tilt: before the penis is not completely weak to pull out, and both parties should wash their lower body after the intercourse.