What is ENM dating?
ENM dating means dating while non-monogamous, with everyone involved knowing and agreeing. The label describes the agreement, not the shape: some people are polyamorous, some are in open relationships, and some are single and non-monogamous. In practice, plan around disclosure, scheduling and safer-sex agreements.

ENM stands for ethical non-monogamy — the umbrella term for relationship structures in which everyone involved consents to connections outside the relationship. ENM dating is ordinary dating with one fact always on the table: you are not monogamous, and the people you meet know it. What that looks like varies enormously. It can be a married couple dating separately, a solo polyamorous person with more than one partner, or someone who is single, not looking for exclusivity, and saying so from the start.
Disclosure is the practical difference, and research describes it as genuinely difficult rather than a one-off conversation. A 2025 peer-reviewed interview study of 32 non-monogamous adults in Australia found four themes: decisions about how and when to disclose are complex; responses to disclosure are typically negative; structural barriers typically prevent disclosure; and healthcare providers are typically uninformed about non-monogamy unless specifically trained (Anderson et al., Archives of Sexual Behavior). Plan for it deliberately — say so before intimacy rather than after, decide in advance what you tell colleagues and family, and read a bad reaction as information about fit rather than a verdict on you.
What the closest research measures is more mundane than the culture-war version, but it is narrower than ENM dating as a whole. A 2026 content analysis published in the Journal of Sex & Marital Therapy analysed 763 open-ended answers from 219 people who were currently in polyamorous relationships — a polyamory-only sample. The most frequently reported challenges in it were time management (72.6%), stigma and negative evaluations (48.0%), jealousy (35.2%) and the emotional labour of the structure (27.4%) (Boudreau et al.). It does not measure open or swinging relationships, so read it as what that sample reported rather than as a general law of non-monogamous dating; calendars, honesty about your capacity, and a willingness to talk about jealousy are reasonable things to plan for either way.
One five-study paper published in Archives of Sexual Behavior compared styles of non-monogamy: people in polyamorous or swinger-style relationships reported higher relationship satisfaction and other relational outcomes than people in open relationships, and in the paper’s fourth and fifth studies those differences dissipated once the researchers accounted for couples’ approach to communication, whether participation was intrinsically or extrinsically motivated, how strongly people held pro-monogamy beliefs, and how much contact they had with a partner’s other partners (Conley & Piemonte, 2021). It compares non-monogamous styles with each other rather than against monogamy, and it is correlational — it does not show that a style causes an outcome.
A few practical foundations carry most of the weight. Agree safer-sex terms explicitly rather than assuming them. Keep agreements current instead of aspirational — an agreement nobody wants to follow is worse than no agreement. Do not use non-monogamy to repair a relationship that is not working; the structure amplifies whatever communication you already have. And be clear about what you can actually offer: in our view, time and availability are what people get wrong first. The ENM explainer covers the definitional questions, and the open relationship and open marriage answers cover those specific structures. JoinTheSwing is pre-launch: new registration remains closed until the coordinated native-app release is approved, and the public answers library and free launch list are open meanwhile.
How this answer was checked.
Publisher-authored explainer, not a survey, not clinical advice and not a statement about any individual relationship. Every research claim names the study, its sample, its country and its design, and each source note says what the source does and does not show. Where the evidence is qualitative or drawn from a single study's sample, this answer says so rather than converting it into a prediction about your relationship.
- Archives of Sexual Behavior (Springer)
A Qualitative Exploration of the Experiences of Disclosing Non-Monogamy (opens in a new tab)
Interview study with 32 non-monogamous adults living in Australia, analysed with grounded theory; qualitative, and not a prevalence estimate. Reports that disclosure decisions are complex, that responses to disclosure are typically negative, and that structural barriers typically prevent disclosure.
- Journal of Sex & Marital Therapy (Taylor & Francis)
Time Management, Stigma, Jealousy, and More: A Content Analysis of the Challenges of Polyamory (opens in a new tab)
Content analysis of 763 open-ended responses from 219 people currently in polyamorous relationships. The percentages are shares of that sample, not of non-monogamous people generally, and they describe reported challenges rather than outcomes.
- Archives of Sexual Behavior (Springer)
Are there “Better” and “Worse” Ways to be Consensually Non-Monogamous (CNM)?: CNM Types and CNM-Specific Predictors of Dyadic Adjustment (opens in a new tab)
Five-study paper: three studies establish the comparison between non-monogamous styles, and the paper’s fourth and fifth studies isolate the reasons. Reports that people in open-style relationships fared worse on relational outcomes than those in polyamorous or swinger-style relationships, and that the differences dissipated when controlling for communication style, motivations, pro-monogamy beliefs and contact with metamours. Correlational, so it does not show that a style causes an outcome.
