Sex is not dirty, it should be beautiful, just like dressing, dressing up, buying a car, ordering a meal, choosing birthday gifts, you must carefully choose. You cannot just mess with human sexual organs, so that humans have a physiological happiness. You can try the pleasure brought by having sex, but there is a premise that your thoughts must be mature, and steady is Zheng Jia's concept. Sex is the best driving force to please each other's bodies. Women's curvaceous beauty and men's masculine beauty should be appreciated. It is not advisable to take off your clothes, just look for holes and play with sticks.