Open Relationships: What They Mean, How They Work, and What to Discuss Before Opening Your Relationship

Opening a relationship can sound exciting in theory. The possibility of exploring, meeting new people, or having different sexual experiences is often presented as something freeing, modern, and pleasurable. But when a couple begins seriously considering an open relationship, much more complicated questions usually appear:

Will we be able to handle jealousy? What happens if one of us develops feelings for someone else? Do we need to tell each other everything? Could opening our relationship bring back some of the excitement we have lost? What if one partner is not completely comfortable with the idea?

An open relationship is a relationship in which the people involved agree to some degree of sexual, romantic, or both forms of non-exclusivity. The key word is agreement. Not hints. Not vague permission. Not silence interpreted as consent. And not conversations that each person walks away understanding differently.

Agreements need to be explicit, and everyone involved needs to understand what they are actually agreeing to. The problem is that some couples open their relationship based on fantasy, assumptions, or even desperation to save a relationship that is already hurting.

Opening a relationship is not inherently unhealthy. It is also not a more evolved way to love. It is one possible way of building a relationship, but it requires self-awareness, respect, commitment, and a strong willingness to talk about things that may feel uncomfortable.

How Does an Open Relationship Work?

There is no single way to make an open relationship work.

In many open relationships, two people maintain a primary or established partnership while agreeing that sexual experiences with other people are allowed. The emotional or romantic relationship may remain centered on the original couple, while outside experiences are understood as sexual or recreational.

But simply saying that a relationship is “open” tells us very little about how it actually works. Each couple needs to define what openness means for them.

Some people want to have sexual experiences separately. Others prefer to explore together. Some want to know certain details about outside encounters, while others agree that they would rather not know specifics. There may also be boundaries involving friends, exes, certain places, dates, sexual practices, or shared spaces.

For that reason, rather than looking for a universal list of open relationship rules, it is more useful to understand that open relationships depend on ongoing communication.

Agreements may need to change over time because emotions, needs, experiences, and circumstances also change.

In my clinical experience, I find that the ability to talk about agreements matters more than the agreements themselves.

A rule that seems completely appropriate today may feel very different after an actual experience. What helps sustain the relationship is being able to say: “This brought up feelings I did not expect. I need us to talk about it again.”

Open Relationship, Polyamory, and Consensual Non-Monogamy: Are They the Same?

Not exactly. Terms related to non-monogamy are used in different ways, and there are many ways to build consensually non-monogamous relationships.

The following definitions reflect how I understand these terms based on both my clinical experience and the work of researchers, clinicians, and authors in this field.

Consensual Non-Monogamy

Consensual non-monogamy, often abbreviated as CNM, is an umbrella term for relationships in which people may have sexual, romantic, or intimate connections with more than one person, with the knowledge and consent of everyone involved.

You may also hear the term ethical non-monogamy, or ENM.

The central distinction is consent: people understand the relationship structure and agree to it. Non-monogamy is not the same thing as cheating when the expectations and agreements have been clearly discussed.

Monogamy

Monogamy is a relationship structure in which two people agree to romantic and sexual exclusivity for the duration of their relationship.

Monogamy does not have to be viewed as old-fashioned, boring, or less emotionally sophisticated.

It can be a deeply authentic choice when it reflects what both people genuinely want and value.

Open Relationship

In an open relationship, there is usually an established partnership that allows sexual or sometimes romantic experiences with other people.

In many open relationships, the original partnership remains the primary emotional or romantic relationship, while outside connections are mainly sexual or recreational.

But even when the intention is for something to remain “just sex,” it is important to recognize that we cannot always control what an encounter may bring up emotionally.

Polyamory

Polyamory involves the possibility of maintaining more than one loving, emotional, romantic, or sexual relationship at the same time, with everyone’s knowledge and consent. Unlike many open relationships, polyamorous relationships explicitly allow for emotional attachment and the possibility of loving more than one person.

Swinging

Swinging generally refers to couples engaging in sexual experiences with other people or other couples, often recreationally and frequently together.

It tends to emphasize shared sexual experiences rather than developing separate romantic relationships.

Common Fantasies About Opening a Relationship

One of the most common fantasies is that opening the relationship will solve boredom, routine, or a loss of excitement. Bringing other people into the picture may create novelty.

But novelty does not automatically repair problems that were already there.

When there is resentment, sexual dissatisfaction, prolonged silence, poor communication, or unresolved hurt related to past infidelity, opening the relationship may make those cracks more visible rather than fixing them.

Another common belief is: “If I don’t tell you, it won’t hurt you.” But hiding information does not necessarily protect a partner. Often, it only postpones an uncomfortable conversation while slowly damaging the trust that the secrecy was supposedly meant to protect.

It is also common to assume that an outside experience will be “just sex” and that deciding this in advance means feelings cannot develop. Human relationships are more complicated than that. An encounter that begins as purely sexual may lead to affection, attachment, curiosity, vulnerability, excitement, or romantic feelings. The problem is not necessarily that an unexpected feeling appears. The problem is being unable to acknowledge it, hiding it, or discovering that the couple never discussed what they would do if it happened.

Wanting an Open Relationship Is Not the Same as Having an Agreement

One of the first cases I worked with involving a couple considering non-monogamy was particularly painful.

My client was a trans man whose partner assumed that, because of his identity and his openness to discussing different ways of relating, he would naturally be comfortable with a non-monogamous relationship. That assumption itself reflected a stereotype.

Being LGBTQ+ does not automatically mean someone wants an open relationship, nor does it mean that they need less security, commitment, or exclusivity.

When his partner brought up opening the relationship, my client took the conversation very seriously. He explored his beliefs about monogamy in therapy, examined his fears and feelings, and even took a course to better understand non-monogamy.

For a couple of months, we worked through what this possibility actually meant to him.

His partner, however, had interpreted the conversation very differently. Only a few days after saying that they wanted to open the relationship, the partner began seeing someone else. My client found out two months later. The relationship ended in a deeply painful way.

I did not have the opportunity to work with them as a couple. I worked only with my client and eventually supported him through the grief that followed.

But the experience illustrated something very clearly:

Expressing a desire to open a relationship does not mean an agreement already exists. Someone can be willing to explore the idea and still need weeks or months to think about it.

They can agree to have the conversation without agreeing to open the relationship.

They may intellectually support consensual non-monogamy and then discover emotionally that they do not want it for themselves. Consent cannot be assumed.

And it is not created through a single conversation.

How Do You Know Whether Your Relationship Is Ready to Open?

Before asking whether a couple is ready to connect sexually or romantically with other people, I think it is worth asking whether they are still able to talk honestly about their own relationship. If a couple cannot discuss or reach agreements around money, sex, time together, or their shared future, opening the relationship can become an escape rather than a conscious form of exploration.

It is also important to ask whether each person’s understanding of love, commitment, trust, and partnership has been updated.

Sometimes we spend years with someone without asking these questions again:

• What does fidelity mean to you now?

• What does commitment mean to you?

• What makes you feel that you can trust me?

• Can we still talk openly about who we are becoming?

• Do I still want to build this relationship with you?

• How strong do our shared plans feel?

• What has changed in our sexual or relational desires?

• What do each of us actually imagine when we say “open relationship”?

Sometimes the first relationship that needs to be opened is not the one we have with other people. It is the conversation between the two people already in it. Talking about non-monogamy does not obligate anyone to practice it. Sometimes the conversation itself allows people to acknowledge desires, fantasies, insecurities, or needs that had never been named.

Even if a couple ultimately chooses monogamy, they may leave that conversation with a much deeper understanding of how to strengthen and care for their relationship.

Four Conversations to Have Before Opening a Relationship

1. Boundaries and Agreements

Each person needs space to identify what they are curious about, what they might want to explore, and what they do not want.

It is also important to discuss emotional relationships with other people.

Will the relationship be sexually open but romantically exclusive? What happens if someone develops feelings? Are there places, dates, activities, or rituals that the couple wants to keep just for themselves?

A boundary should not exist only to control what the other person does.

It should also communicate what each person needs in order to feel respected, cared for, and able to stay in the relationship.

2. Sexual Health and Safer Sex

Sexual health needs to be discussed explicitly. That includes contraception when relevant, barrier methods, sexual practices, STI testing, and how partners will communicate information that may affect someone else’s health.

Couples also need to discuss what happens if a safer-sex agreement is broken, whether accidentally or for another reason.

Shame, fear, and silence can increase risk.

It helps to agree in advance on how someone would disclose what happened, address everyone’s health needs, and talk about the emotional impact without turning the situation into punishment or secrecy.

3. Jealousy and Emotional Regulation

Jealousy does not disappear simply because a couple has agreed to be open.

It is an emotion that deserves to be named and understood.

It can be helpful to notice whether specific people, situations, places, or experiences create more insecurity than others.

Partners also need space to express uncertainty without being mocked, criticized, or judged. Being able to say, “That hurt,” “That scared me,” or “I discovered that I need something different” should not automatically be treated as evidence that the relationship has failed.

Opening a relationship often requires emotional regulation, self-regulation, and co-regulation. There will be uncomfortable moments. The goal is not to eliminate all of them. It is to learn how to move through them without destroying the relationship or abandoning yourself.

4. Time, Logistics, and Care for Everyone Involved

Open relationships also require practical organization.

Partners need to consider how they will protect quality time together, how much time they want to devote to other connections, and how public or private they want their relationship structure to be.

But there is another important part of this conversation: how they will handle feelings that arise toward other people and how they will communicate with those people. Someone who becomes involved with a person in an open relationship is not an accessory used to make the original couple more exciting. They also have feelings, needs, boundaries, and expectations.

Practicing non-monogamy responsibly means remembering that decisions can affect everyone involved.

How Do You Know If an Open Relationship Is Working?

One concept often discussed in consensual non-monogamy is compersion: experiencing happiness or pleasure in response to a partner’s happiness or pleasure.

Compersion does not mean never experiencing jealousy. And it certainly does not mean you have to be happy about everything all the time. It means that difficult feelings can sometimes coexist with a genuine interest in your partner’s well-being.

Another positive sign is being able to reconnect after an encounter with someone else and talk about how each person feels. That does not necessarily mean sharing every sexual detail. It means the experience can exist within the relationship without becoming a secret or something too threatening to name.

I currently work with a couple who realized that some parts of their open relationship were no longer working for one of them. Their attempts to discuss it repeatedly turned into arguments and began damaging their communication.

They came to therapy to learn how to talk about these differences more clearly.

Having a space where they could review their agreements and describe what they were discovering about themselves helped them strengthen their relationship.

Today, they feel more connected and recognize that both of them have grown individually through the freedom they gave one another. Not everything is resolved.

But they feel much more capable of talking about their emotions, staying present, and creating new agreements when something changes.

A healthy relationship is not one in which problems never appear. It is one in which people can acknowledge what is happening, become honest with themselves first, and then speak honestly with each other without assuming that discomfort has to destroy the relationship.

When Is Opening a Relationship Not a Good Idea?

I would not recommend opening a relationship when major unresolved conflicts already exist and the couple expects novelty to magically solve them.

I would also be cautious when there has been previous infidelity that has not been processed, when jealousy feels unmanageable, or when communication relies on yelling, insults, criticism, avoidance, or defensiveness.

Significant personal insecurity may also need attention before bringing new people into the relationship, especially when non-monogamy begins to feel like constant competition or a test of someone’s worth.

And there is an even simpler criterion: If one person does not want an open relationship, that is enough reason not to open it.

When one person wants to explore something sexually or relationally and the other person does not, it can be important to distinguish between something that can be negotiated, a genuine boundary, and a deeper incompatibility.

Agreeing because you are afraid your partner will leave is not freely given consent.

Neither is agreeing because of threats, emotional pressure, repeated coercion, or arguments such as, “If you were more evolved, you would understand.”

No one is obligated to accept an open relationship in order to prove that they are secure, loving, modern, progressive, or sexually open-minded.

Opening a Relationship Also Makes It More Complex

Relationships are already complex. They involve love, trust, and commitment, but also the histories, expectations, experiences, needs, thoughts, and emotions that each person brings into the relationship.

Building intimacy requires vulnerability: allowing another person into our inner world, letting ourselves be known, and being willing to grow alongside them. When a relationship opens, another person may become part of that shared world, even if only in one area.

The relationship system becomes more complex. That does not mean it becomes worse.

It simply means we need to acknowledge what that complexity requires.

An open relationship is not a trend, a cure-all, or a solution to every relationship problem.

It is also not automatically more courageous, mature, or enlightened than monogamy.

In fantasy, it may sound entirely pleasurable, exciting, or liberating.

In practice, it requires personal work, honesty, difficult conversations, and care for the consequences of our choices. Changing the structure of a relationship requires commitment. Sometimes it also requires admitting to yourself that you no longer want something you once wanted—or that you do want something that is difficult to acknowledge.

Why Consider Therapy Before or During an Open Relationship?

Seeking therapy does not mean the relationship is failing, and consensual non-monogamy is not a psychological problem that needs to be treated. Couples and sex therapy can help people distinguish between desires, fantasies, fears, and pressure.

It can also create space for conversations that repeatedly turn into arguments at home, help partners clarify agreements, and build emotional regulation skills.

Therapy may be especially useful when:

• The suggestion of opening the relationship caught one partner completely off guard.

• Someone is unsure whether they are agreeing because they want to or because they are afraid of losing the relationship.

• Significant problems already existed before the conversation about non-monogamy began.

• Jealousy feels overwhelming.

• An agreement has already been broken.

• One person has developed feelings for someone else.

• Existing agreements are no longer working.

• The couple needs support deciding whether to stay open, return to monogamy, or end the relationship.

There is no set of steps that guarantees that an open relationship will work. Every relationship needs to build its own way of relating. What people can work on is their ability to be honest, recognize their limits, listen to the needs of others, and take responsibility for the consequences of their choices.

Two Books for Learning More About Open Relationships and Non-Monogamy

Si te duele, ahí no es, by Jaime Gama

This book is written for both monogamous and polyamorous readers who want to build more ethical relationships. In an accessible and personal way, it invites readers to examine their current relationships and consider different ways of building connections with greater awareness.

Polysecure: Attachment, Trauma and Consensual Nonmonogamy, by Jessica Fern

This book explores consensual non-monogamy through the lenses of attachment and trauma. Fern introduces the HEARTS model as a framework for creating greater security within multiple relationships. It can be especially useful for understanding how childhood experiences and learned patterns of attachment may show up in adult relationships.

Frequently Asked Questions About Open Relationships

What does it mean to be in an open relationship?

An open relationship is one in which the people involved agree that some sexual, romantic, or both forms of connection with other people are permitted.

There is no single structure that all open relationships follow. Each relationship needs to define its agreements, boundaries, communication expectations, and ways of caring for everyone involved.

What is the difference between an open relationship and polyamory?

In many open relationships, an established couple remains the central romantic relationship while outside connections are primarily sexual.

Polyamory explicitly allows for multiple emotional or romantic relationships.

In practice, relationship structures vary considerably, and not everyone uses these labels in exactly the same way.

Is jealousy normal in an open relationship?

Yes.

Agreeing to an open relationship does not make jealousy disappear.

People may experience insecurity, fear, comparison, or anxiety about losing their partner. Rather than treating jealousy as proof that non-monogamy is failing, it can be more useful to understand what the emotion is communicating and learn how to discuss it without automatically turning it into blame or control.

Can an open relationship save a relationship?

Opening a relationship can create novelty or allow people to explore desires, but it does not automatically repair resentment, broken trust, poor communication, or sexual difficulties that already exist.

When opening the relationship is being proposed mainly as a solution to an existing crisis, it may be more useful to address the underlying problems first.

What if my partner wants an open relationship and I don’t?

You do not have to agree.

Talking about opening a relationship is not the same thing as consenting to it.

If one person does not want an open relationship, that decision deserves to be respected. Agreeing because of pressure, fear of abandonment, or the need to prove that you are sufficiently sexually open-minded is not freely given consent.

What rules should an open relationship have?

There is no universal list of rules.

Couples should usually discuss sexual and emotional boundaries, safer-sex practices, what information they want to share, time management, privacy, relationships with friends or exes, and what they will do if unexpected feelings appear or an agreement stops working.

Before You Open the Relationship, Open the Conversation

An open relationship can be an ethical, loving, and authentic choice. But only when the people involved are free to choose it and willing to keep examining how the relationship is actually affecting them.

This is not only about deciding what is allowed and what is forbidden. It is about being able to tell the truth—even when that truth contradicts the fantasy you began with.

Opening a relationship should not become a strategy for avoiding the conversations that need to happen inside it. Sometimes the first step is exactly the opposite: sitting down with the person with whom you have chosen to share your life and asking each other again who you are, what you need, and what you want to build now.

When that conversation becomes too difficult, repetitive, or painful, therapy can provide a supportive space to begin saying what has been difficult to say on your own.

Originally written by Ana Laura Gracida and reviewed by Dr. Lorena Olvera. Translated, adapted, and edited for English-speaking readers by Dr. Lorena Olvera.