5 Tips for Working with Non-monogamous Clients

Non-monogamy—including polyamory, open relationships, and relationship anarchy—is now more openly discussed than ever before.  Research suggests that about 1 in 5 adults in the U.S. have engaged in some form of non-monogamy during their lifetime (Haupert et al., 2017). Which means there’s a good chance that at some point in your career, a client will say something like:
“My partner’s other partner is coming to visit and it’s bringing up some stuff for me.”
And if your immediate internal response is: Wait…their partner’s…what now?

Don’t worry. Many therapists never received formal training on working with non-monogamous relationships. But clients in these communities frequently report negative therapy experiences—often involving judgment, misunderstanding, or subtle pressure toward monogamy (Schechinger et al., 2018).
The good news? A few mindset shifts can go a long way.
Here are five ways to work more effectively with non-monogamous clients—without accidentally becoming the therapist they warn their friends about.


1. Examine Your Bias Toward Monogamy
Most of us were raised in a culture that treats monogamy as the default relationship setting. This is referred to as mononormativity—"the social narratives according to which monogamous relationships are the only acceptable relationships, and all other ways of structuring our relational lives are—again—in some way deviant, deficient, defective, or delusional." 
This bias can subtly appear in therapy through questions like:

• “Which partner is the primary relationship?”
• “Are you worried your partner will replace you?”
• “Are you avoiding intimacy?”

These questions may unintentionally frame non-monogamy as a problem to be explained rather than a relationship structure to understand.
Instead, therapists can ask neutral, exploratory questions:

• “How does your relationship structure work?”
• “What agreements have you created together?”
• “What does commitment look like in your relationship?”

Approaching non-monogamy with cultural humility rather than evaluation helps build trust and avoids replicating stigma clients often experience outside therapy.

2. Build Your Vocabulary
As with any culturally specific group of humans, non-monogamous communities have their own dictionary full of terms used to describe different aspects of their dynamics. Read up, know the lingo so that your clients don't have to educate you on words like metamour (your partner's partner) and comperison (experiencing joy at someone else's joy)
Common concepts include:

• Polycule: A network of interconnected relationships.
• NRE (New Relationship Energy): The excitement that accompanies a new romantic relationship
  
• Relationship agreements: Explicit boundaries and expectations between partners

​But here’s the real secret:
Clients usually love explaining their relationship structures when therapists show genuine curiosity.
You can always say: “I want to make sure I’m understanding correctly—can you help me map out how your relationships connect?”

3. Focus on Clinical Issues, the Structure is Rarely the Problem
​A common mistake therapists make is assuming that non-monogamy itself is the source of a client’s distress.
But non-monogamous clients experience the same issues as anyone else:

• communication struggles
• attachment wounds
• trauma
• anxiety or depression
• life stressors

Sometimes the relationship structure matters. Sometimes it doesn’t.
Research actually shows that relationship satisfaction among non-monogamous couples is comparable to monogamous couples (Conley et al., 2017).
So before concluding “polyamory is the issue,” ask:
“If this relationship were monogamous, would the same dynamic still be happening?”
Often the answer is yes.

4. Develop Skills in Multi-Partner Dynamics
Working with non-monogamous clients often means thinking beyond traditional couple therapy frameworks.
Therapists may encounter:

• polycules (interconnected relationship networks)
• nesting and anchor partnerships
• hierarchical vs. non-hierarchical agreements
• shared decision-making across multiple partners

While therapists do not need to see every partner in therapy, understanding these dynamics helps contextualize relational stress and how it can effect multiple people including:

• scheduling time across partners
  
• renegotiating agreements
  
• jealousy between metamours
  
• boundaries around disclosure
  
  

5. Create an Explicitly Inclusive Therapy Space
Many non-monogamous clients look for signals that a therapist is knowledgeable and safe before reaching out because their experiences can often sound like this: 
Client: “We’re poly.”
Therapist: long pause
Therapist: “Have you considered closing the relationship?”
Small signals can make a significant difference, including:

• Listing polyamory or non-monogamy competence on your website
• Including inclusive relationship language on intake forms (allowing an option for non-monogamous)
• Avoiding assumptions about partners
• Advertising sex-positive or kink-aware therapy

Research suggests that affirming language and therapist competence significantly increase client willingness to seek care (Moors, Matsick, Ziegler, Rubin, & Conley, 2013).
In other words, visibility matters.

In summary -
Working effectively with non-monogamous clients isn’t about mastering every possible relationship structure—it’s about approaching relationships with curiosity rather than assumptions.
When therapists expand their relational frameworks, they often discover something surprising:
Many of the communication skills practiced in non-monogamous relationships—intentional agreements, transparency, emotional processing—are skills that strengthen all relationships.
By developing competence in this area, therapists can provide more inclusive care while expanding their ability to support diverse relationship models.

References
​Conley, T. D., Ziegler, A., Moors, A. C., Matsick, J. L., & Valentine, B. (2017). A critical examination of popular assumptions about the benefits and outcomes of monogamous relationships. Personality and Social Psychology Review, 21(4), 297–317.
Haupert, M. L., Moors, A. C., Gesselman, A. N., & Garcia, J. R. (2017). Prevalence of experiences with consensual non-monogamous relationships: Findings from two national samples of single Americans. Journal of Sex & Marital Therapy, 43(5), 424–440.
Moors, A. C., Matsick, J. L., Ziegler, A., Rubin, J., & Conley, T. D. (2013). Stigma toward individuals engaged in consensual non-monogamy. Journal of Social and Personal Relationships, 30(8), 1064–1081.
Schechinger, H. A., Sakaluk, J. K., & Moors, A. C. (2018). Harmful and helpful therapy practices with consensually non-monogamous clients: Toward an inclusive framework. Journal of Clinical Psychology, 74(11), 1906–1921.