As the famous anthropologist Ashley Montagu said, "Caressing is the true language of sex," perfect sexual intercourse cannot do without caressing. On March 22, the well-known American sexologist Dr. Evan Forbright pointed out in a media interview that people are increasingly accustomed to "getting straight to the point" with sex while caressing has become insignificant. "However, only those who know how to please their partners with their hands are real sexual artists."