It is recommended to actively study the human anatomy chart before the first time and to know the exact location of the female reproductive organs. Underneath the female there are three mouths, in the corresponding order from front to back: the urethral opening, the vaginal opening and the anus. Among them, there are two mouths within the labia majora and minora, the small mouth at the upper end is the urethral opening and the slightly larger mouth at the lower end is the vaginal opening. In the process of foreplay, you can first look at each other’s genitalia, if you feel shy, you can also use clothes to cover other parts of the body, touching gently with your fingers, but also to increase each other’s level of excitement and sexual pleasure. In addition, the male genitalia before the official insertion of the female guide is also very important, do not be shy not to take the initiative to cooperate with the failure of sexual life.