New Research Delves Into Sexual Fantasies

Fresh insights surface on fantasies, including who has them, how common they are and how they change over a person’s lifetime

What do you want in bed?

Sexual fantasies are among the most taboo of topics—awkward to talk about, even (or perhaps especially) with a partner we know well. They can sometimes feel embarrassing or shameful, even if we tell no one. We wonder: Where did this come from? Is it normal?

A new book coming out next month, “Tell Me What You Want:...