"Human lubricant manufacturers" to remind the different postures of sexual intercourse, but also to make people experience the feeling of not completely the same pleasure. To take what sexual position, totally depending on personal preferences, as well as size, physical considerations, there is no certain basic criteria, as long as two people love, no matter which way, what kind of position are appropriate. However, "Human lubricant manufacturers" reminding formality in the same kind of long-term position, the excitement will gradually diminish, preferably with three or four position to change slightly the next point effort in order to make life more fun. Normal position is to lie down on the female face, knees, legs propped open, the men lower body into the opening between the legs of women, supporting the upper body with his elbow and wrist sexual way. "Human lubricant manufacturers" reminding of this method is very suitable for men and women with little experience.