Sex researchers repeatedly find that many people rarely say what they mean at the start of a sexual encounter, and they often don’t mean what they say. They find it difficult to say what they dislike because they don’t want to hurt the other person’s feelings. They may think they want intercourse and then change their minds. They may think they don’t want intercourse and change their minds. They are, in short, engaging in what social psychologist Deborah Davis calls a “dance of ambiguity.”