Sexual Fantasies: What Counts as Normal and How to Share Them With Your Partner

Almost every adult has caught themselves thinking at some point: "Is it even normal to want this?" From there, one of two things usually happens. The fantasy gets tucked away on a distant mental shelf, or it turns into anxiety — what will my partner think if they find out? The good news is that recent sex research has produced fairly calm, grounded answers to these questions. The bad news is that school still doesn't teach any of it.

Let's look at which fantasies are most common, where the line of "normal" actually lies, whether it's worth sharing them, and how to do it in a way that brings you closer instead of triggering jealousy.

What actually counts as a sexual fantasy

A fantasy is any mental scenario that produces arousal or erotic interest. It can be very specific ("that particular person, that particular setting") or an abstract atmosphere. The key distinction between fantasy and desire: imagining something and wanting to act it out in reality are not the same thing. Many scenarios do their job precisely as imaginary ones — they generate arousal, help you explore yourself, release tension — without any obligation to become an action plan.

This is worth stating up front, because most of the anxiety around fantasies stems from conflating these two things: "if I'm thinking about it, I must want it, which means something is wrong with me."

Lehmiller's typology: seven big categories

American social psychologist Justin Lehmiller conducted one of the largest studies of sexual fantasies to date and described it in his book Tell Me What You Want. He surveyed more than two thousand Americans using a 350-question questionnaire and, based on the responses, identified seven major categories of fantasies[5].

Two categories turned out to be the most widespread — in some form, the majority of respondents fantasize about them:

• Sex with multiple partners — threesomes, group sex, swinging scenarios[5].
• Power, control, and "rough" sex — this covers BDSM themes, dominance and submission, and scenarios with elements of force[5].

The remaining groups Lehmiller and his reviewers describe revolve around novelty and adventure, taboo and rule-breaking, partnership and polyamory, romance and emotional intimacy, and gender fluidity and diverse forms of attraction[5]. Lehmiller also documents differences by age and even by political views — meaning that the content of fantasies reflects not only personality but also the cultural context a person lives in[5].

What of this is "normal"

The short answer — almost all of it. The very fact that a particular scenario shows up at the top of the responses of thousands of people already strips it of the "perversion" label. Fantasies about submission, voyeurism, sex in unusual places, a partner of a different gender than your usual choice, or a "strangers at a bar" roleplay — all of this comes up so often that calling it pathological makes no sense.

A conversation about a clinical problem is only warranted in two cases: if the fantasy involves causing real harm without consent (especially if it involves minors), or if it intrudes so much that it interferes with life — causing severe distress, crowding out everything else, pushing someone toward actions they later regret. Anything that doesn't fall into these two categories is a variant of normal, even if the specific scenario feels unexpected to you.

Why share fantasies at all

A fair question: if this is inner life, why drag it out into the open? There are several working arguments.

Fantasies are fuel for desire in long-term relationships. After several years together, the novelty of sensation naturally fades, and talking through erotic scenarios is precisely what helps bring an element of unknown and play back into the relationship[7]. It's not necessarily about acting everything out: sometimes just describing a scenario out loud to each other noticeably raises arousal.

Disclosure strengthens intimacy. A review of factors influencing the decision to share a fantasy shows that partner reactions are overwhelmingly supportive, and the act of an open conversation itself is linked to higher satisfaction — both with the relationship overall and with its sexual side[1]. In other words, the fear that "they'll react terribly" statistically almost never plays out.

Silence works against the couple. When an important part of your inner life stays sealed off for years, a sense builds up that your partner "doesn't really know me." That erodes trust even when everything looks fine on the surface.

Why we stay silent anyway

Researchers who study fantasy disclosure specifically identify several key reasons people stay quiet: fear of embarrassment, a sense that the topic is "inappropriate" for this relationship, uncertainty about the partner's reaction, and simply not being in the habit of talking about sex in words[1]. On top of that comes a basic skill deficit: if sex was taboo in your family and at school, an adult has literally nowhere to have picked up the language for such a conversation.

A separate difficulty is the fear that a partner will hear a fantasy as a complaint: "I'm not enough for you" or "you want someone else." Jealousy most often grows out of exactly this point.

How to talk about it without triggering jealousy

The same thing works here as in any difficult couple conversation: what matters is not so much what you say as how the context is set up.

1. Pick the moment

A conversation about fantasies is a bad idea during a fight, in bed right after sex that didn't go well, or in passing in the kitchen when one of you is already halfway out the door to work. A good time is a quiet evening when neither of you is tired or in a rush. Psychologists working with this topic recommend "rehearsing" the conversation in your head in advance: imagining how you'll phrase it and how your partner might react[8].

A useful practice is regular check-in conversations about the state of the relationship. The Gottman Institute recommends building such "check-ins" into a daily, weekly, and monthly rhythm: this creates a familiar safe space for the couple in which difficult topics are easier to raise[2]. A conversation about fantasies fits organically into that format — as one topic among many.

2. Start with the frame, not the scenario

Before naming a specific fantasy, spell out why you're sharing it. It might sound like this: "I want you to know more about me. I'm not asking you to do it, I want to share what's in my head." This opener defuses the listener's main fear — that the story will immediately be followed by a demand.

The Gottman guide to conversations about sexual desires offers several ready-made constructions: honestly naming your nervousness ("I'm a little uncomfortable saying this, but…"), agreeing to take turns sharing, and agreeing in advance that saying no to any given scenario is okay and not something to take offense at[6].

3. Separate fantasy from plan

Say it directly: "This is a fantasy. I don't necessarily want it in reality. I'm curious to share the scenario and maybe hear one of yours." This move takes the pressure off your partner to immediately agree to or refuse anything.

4. Use intermediate formats

You don't have to sit down face to face and "have The Serious Talk" right away. You can move gradually — through text messages, exchanging lists of "what I'm curious about / what's a definite no / what's a maybe," through reading an article or watching a film together and discussing your reactions[8]. For many people, text feels safer than eye-to-eye conversation.

5. Listen without judging

If someone is sharing a fantasy with you, the most important thing you can do is not turn the story into a trial. Even if the scenario surprises you, your first reaction shouldn't be "ew" or "are you serious?" Better to take a breath, thank them for their trust, and give yourself time. The Gottman approach emphasizes: refusing to act it out is your right, but the refusal should be about the action, not about the person and their inner life[6].

What to do if jealousy does come up

Jealousy in response to a partner's fantasy is a very common reaction, and it's not a sign of a "bad relationship." It's a signal that you've become afraid for your own importance. You can work with that.

• Name the feeling out loud. "I'm feeling anxious hearing this right now" is a far more workable phrase than silent resentment or a counterattack.
• Test your hypothesis. Jealousy is usually built on adding things in: "if they're thinking about it, they'll cheat soon." Ask directly what's behind the fantasy instead of filling in the blanks yourself.
• Return to the frame of your agreements. In a stable couple, the foundation is the choice to be together and to consider each other's interests — Gottman calls this the choice of commitment, one that's made anew every day[3]. Fantasies don't cancel out that choice.
• If jealousy is interfering with life — see a specialist. The Gottman Method and other research-based approaches to couples therapy work with exactly these topics and show good results[4].

When you want to act a fantasy out

A separate story is when a couple decides that one of the scenarios would be interesting to try in reality. Three simple rules apply here: willingness, specificity, and reversibility.

• Willingness: both "yeses" are genuine, without pressure and without "fine, if you want it that badly."
• Specificity: you agree in advance on what exactly you'll do and how, whether there's a safe word, what's definitely off the table.
• Reversibility: at any moment either of you can stop without explanations, and it won't become grounds for grievances.

If the fantasy involves power, submission, or elements of "rough" sex — and, as a reminder, this is one of the two most widespread categories in Lehmiller's data[5] — it makes sense to first work through the basics of safety. A convenient way to do that is the BDSM Course for Beginners: it provides vocabulary, rules of consent, and an understanding of how to negotiate so you don't hurt each other in places where nobody wanted to be hurt.

If the point is more about bringing play and novelty back into the relationship without going into hardcore scenarios, a useful resource is the course 50 Ways to Spice Up Your Intimate Life — it collects ideas you can pick from according to taste, plus tips on how to discuss them with your partner.

A short checklist before the conversation

• I understand that a fantasy isn't necessarily a plan.
• I know why I'm sharing: intimacy, curiosity, wanting to try something.
• I've chosen a calm time and place.
• I'm ready to hear "no" to acting it out and not take it as a rejection of me.
• I'm ready to listen in return without judging.

Sexual fantasies are a part of inner life that stops being frightening as soon as it has a language. Recent research is fairly unanimous: talking about them brings people closer more often than it breaks anything[1][7]. All it takes is a bit of courage, a bit of technique, and the agreement that you're on the same side.

Sources

1. 5 Reasons Why Some Share Their Sexual Fantasies While Others Do Not | Psychology Today — Psychology Today
2. This Relationship Skill Is Essential: How to Have a Relationship Check-In — The Gottman Institute
3. Commitment Is a Choice — The Gottman Institute
4. Why Choose Gottman Therapy? — The Gottman Institute
5. Fantasy Island: Research Probes the Science of Sexual Desire | Psychology Today — Psychology Today
6. How To Feel Comfortable Expressing Sexual Desires With Your Partner — The Gottman Institute
7. How Erotic Fantasy Can Reignite Your Sex Life | Psychology Today — Psychology Today
8. When to Have the Fantasy Talk | Psychology Today — Psychology Today