Those types of situations can be emotionally difficult to sort out. The victim in this case feels violated. The perpetrator feels like nothing happened that was wrong, caring very little for the feelings of the victim . Date rapes are the most common type of rape committed. It tends to be very devasting because the victim has been harmed by someone she previously trusted.
Victims have to learn to trust people all over again.
This is not an easily accomplished feat. Drugs such as Rohypnol are being used more widely. Very often, the victim will not remember a crime being committed but will only have a vague awareness of something happening. Most people think of rapes as being done by someone jumping out from behind a bush and overpowering a victim. That is not usually the case.