Sex is an essential life seasoning for both men and women, harmonious and healthy sex can increase the feelings between the couple, relieve the pressure of life or work, easy to both physical health, to maintain the normal secretion of sex hormones. However, we must pay attention to the hygiene and frequency of sex to ensure a healthy and harmonious sex. Click to read more What do couples need to pay attention to sex? 1, clean The cleanliness mentioned here is not only the cleanliness of the reproductive organs, but also to ensure that the sex environment is clean and hygienic. No attention to sexual hygiene, will bring bacteria or pathogenic bacteria into each other's bodies, and then induce disease. For the sake of each other's health, each time before sex should be carefully cleaned with water on the private parts. In particular, men turn up the foreskin, carefully clean the foreskin scale. At the same time to create a clean and quiet and warm sex environment, to avoid being...