When a man and a woman of any age go out, she is consenting to dinner and perhaps a movie. When they meet in a bar, if they decide to go home together they maybe thinking of having sex, perhaps. At any moment either of them has the right to change their minds. This is called consent. Even if they are lying together upon a bed, one of them has the right to say, NO! You can’t ignore a NO. You can’t force the other person out of No, because doing so is a crime. All you can do is to get up and put your clothes on and leave.
Remember, if the other person says No!, you must heed this NO! If you try to force the issue, you are a jerk (male/female) and you will probably end up in jail. There is no glory or satisfaction in that. The other person owns their body and has the right to give permission to enjoy it or to say you can’t use their body. They don’t have to explain, they merely need to say NO! For Example: