性愛專家表示,做愛時間差不多7至13分鐘是最好的



  • according to a 2008 study of United States and Canadian sex therapists, sex that is “too short” lasts one to two minutes, “adequate” lasts three to seven minutes, and “desirable” is seven to 13 minutes. The range for “too long” went from 10 to 30 minutes.