More couples than ever are asking the question. Sometimes one partner brings it up, and the other’s stomach drops. Sometimes both have been circling it for years. Either way, they often end up on my couch, asking some version of “Are we crazy to try this?”

You’re not crazy. But there’s a right way to walk through this door, and a few wrong ones. This is what I’ve learned sitting with couples on every side of it.

Opening Won’t Fix a Closed Wound

The first honest question isn’t “should we open up?” It’s “why now.”

Non-monogamy can be a genuine expression of how two people love. What it can’t be is a repair strategy. Couples who open up to avoid dealing with a dying sex life, a betrayal, or years of resentment usually discover that non-monogamy is a magnifying glass, not a bandage. Whatever was strained gets more strained, now with more people involved.

The couples who do well tend to open from a place of strength. The relationship works, communication is solid, and the desire for openness is about expansion, not escape. If you’re not there yet, that’s not a no forever. It just means there’s work to do first, and that work is worth doing either way.

Get Specific or Get Hurt

“We’re open now” isn’t an agreement. It’s a fog.

Real agreements are specific. What’s okay and what isn’t. Together or separately. How much do we tell each other, and when. What about people we both know? What happens if someone catches feelings? How do we protect our sexual health? What’s our word for “I need to pause and talk?”

Couples sometimes resist this level of detail because it feels unsexy. But clarity is what makes freedom feel safe. And expect the agreements to change; the rules you write on day one are a first draft, not a constitution. Build in a regular check-in where revising them is normal, not a crisis.

Go Slow, and Expect Feelings

Whatever timeline you’re imagining, slow it down.

The first time your partner is actually out with someone else, something will happen in your body that no amount of theory prepared you for. That’s not a sign you’ve made a mistake. It’s a sign you’re human, and something new is happening. The couples who last treat those feelings as information to bring home and talk about, not as verdicts.

And a word for same-sex couples, who make up a good part of my practice: you may have more community models for this than straight couples do, but models aren’t agreements. Your relationship still gets to be designed by the two of you, not by what your friends are doing.

When It Works

From where I sit, the pattern is consistent. Done honestly, at the right time, for the right reasons, open relationships can be genuinely thriving ones. Done as an escape hatch, they mostly speed up the ending.

The difference is rarely about the structure. It’s about the honesty of the two people choosing it.

If you and your partner are standing at this door, it’s a great moment to bring in a third party who isn’t in the relationship. I offer virtual therapy across New York, Connecticut, and Massachusetts, and in-person sessions in Manhattan. Consultations are free if you’d like to talk.

Read more reflections on healing, relationships, and growth on the blog: brettpsych.com/blogs

The content of this blog is for informational and educational purposes only and doesn’t constitute medical or mental health advice. Reading it doesn’t create a therapist-client relationship. If you’re struggling or in crisis, please reach out to a qualified professional. If you’re experiencing a mental health emergency, call or text 988 (the Suicide and Crisis Lifeline) or dial 911.