A survey in the United States found that although 75 percent of married women had experience of being kissed on their private parts, 45 percent of them had difficulty accepting each other's caresses, either out of embarrassment or because they felt unpleasant. In short, this is not loved by all women. In order to achieve sexual harmony, the most important thing is that two people communicate, reach a tacit understanding with each other, and finally have a happy experience with each other. There are also health risks to men. Professor Pavel of the University Hospital of Geneva in Switzerland pointed out that this behavior is more harmful to the tonsils than smoking and alcohol, which can cause cancer. In addition, human papillomavirus (HPV), a virus that can cause cervical cancer and is often sexually infected, can also be transmitted between the mouth and genitals, especially for sexually active people with many sexual partners. The incubation period of the virus is uncertain, and ...