Many people are sharing this news right now. A "crazy" young man ate, played, threw eggs on a moving train with his GF, got scolded by a nun, took her pictures using mobile phones without her permission, then took off his clothes and humiliated her by saying, "I think she hasn't seen men's body for so long, I just want to relax her ..."
Before this train accident, he once took her GF unto the streets and had sexual misconduct with her openly. That gave him a permanent criminal record in our legal system.
Human beings used to worship sex as a common religion a long, long time ago, before modern civilization was well-established. The price of worshipping sex was horrible: insest, adultery, rape, all kinds of sex-related crimes, and many unwanted children. Then old religious traditions as a primitive legal and political system were established gradually, they began to teach people to behave and have better self-control.
Maybe gender education is the key. For people who don't give a damn to religion, judicial system, moral principles, people's feelings, common sense, at least give them gender education from early childhood.
Rule No. 1
Please keep the intimate conduct between you and your GF in your own room, not out on the street. Maybe she's a Goddess in your eyes, but people do look like corpses when they're completely naked. Many nuns have seen enough corpses in their lives, you don't have to show yours.