I would like to offer a little first hand perspective.
When I was in college similar situations happened to me on two occasions. First, I had hooked up with a girl at a party. she was all over me, and I took her to my room. we were going at it, and all of a sudden she starts saying she needs to leave as she is supposed to be meeting her dad. I stopped, but was not exactly happy that a girl would do that when in my mind “whats another five minutes to finish?”. so anyway she gets halfway dressed, then changes her mind and we go back at it again. she again gives me the “wait, stop, i gotta go” so i stopped, grabbed her clothes, and escorted her out into the hall and locked the door behind her, end of story.
To the people that say that stopping in the middle of the act should be instantaneous, they must have never been in the middle of hot and heavy sex. This particular case wasnt that, it was just a romp so it was no big deal, just a girl that wanted to protest.
The next one is the bigger deal. A year or so later, I had a serious girlfriend with whom I shared a very hot and passionate sex life. We had a animal attraction for each other. (OK, this is going to be TMI and somewhat graphic, but necessary to the story, hide the kids at this time). She liked to be taken very vigorously. One particular time, i had her knees pinned to the bed up by her head and was going all the way in and all the way out, so that i had to make a re-entry on each thrust. It was very hot and heavy, very fast paced, and we were both really building up to a major climax. I am about 3 thrusts from climax, and i felt something a bit odd on the next inward motion, a kind of resistance like i missed the hole, but then slid in ok. She says “ouch, ow, stop!!!” and by the time she said that, i’d made another few motions in/out, and at that point hit my climax. When I had regained my senses a bit, i realized that she had said something hurt, and i asked what was wrong. With a kind of wry grin, she said she was ok now, but that “you missed once”. I didn’t understand. She took my finger and put it in her vagina and said “thats where you were supposed to be” and then took it out and put it down lower and said “thats where you went, you missed”. I was like “oops, sorry, are you ok?” and she said she was. We laughed and joked about it some and no one was any worse the wear for it. All was ok, but eventually she transferred to another school and fell into the clutches of the feminist studies bunch. I went to see her a year or so later, and the animal attraction was still there. After having great reunion sex, we were laying there talking and she said she had something that she needed to get off her chest. She said that it had been bugging her, and for closure she needed for me to admit that I had wronged her. I thought she meant cheating on her or something, so i asked her to elaborate. Her lip started to quiver, and tears started to flow, and she said “Y-y-y-y-ou R-R-R-R-APED ME!!!”. Of course you coulda knocked me over with a feather. I said “wait a minute, you told me you wanted me to help you live out that rape fantasy, and we had a code word and everything” she said, no, not that time, another time. I for the life of me couldn’t figure it out. Finally she told me. She said “i said stop, and you didn’t stop. thats rape”.
What had happened is in these feminists classes they taught them that ANY hesitation on a man’s part to comply with the woman’s wishes constitutes rape. Further, they told the class that many of them had been raped and didn’t even know it. They encouraged them to think back through their sexual history and remember any occurances, no matter how slight, when they had sex when the didn’t really want to (didn’t matter if they never complained, but only in their mind didn’t want to), couldnt remember because of alcohol but realized the next day they had had sex, or any other instance at all. They were then to share it with the group. Then when any girl brought up any instance at all, they were showered with compassion by her sisters at the trauma she suffered at the hands of the evil man. No question as to whether it was right or not, she was part of the oppressed sisterhood now. They had tried to get this girl to go to the police to report our incident, but luckily she refused. Their reasoning is that she owed it to all other girls who have suffered in silence before her, and to any who may someday be the victim of such a brutal assault in the future. Men must be taught a lesson that no means no, no matter how it is said or how it is delivered.
Well, no way was I gonna admit to anything as all that had happened was a little accident during acrobatic sex. We talked about it for a long time, and thats when i learned the story of how she came to believe that it was rape.