Discussion: Why do both men and women often tend to fulfill fantasies, not with their regular spouses?

Most men and women have sexual fantasies. It is often easier to fulfill sexual fantasies with a casual or unfamiliar partner than with a regular partner. The explanation usually stems from the embarrassment and fear of exposing sexual fantasies to the partner. Couples who can open up and talk about shared fantasies also enjoy better interpersonal communication, not just enhanced sexual pleasure.