Open Monogamy
by Tammy Nelson
A Guide to Co-Creating Your Ideal Relationship Agreement
Tammy Nelson offers a thoughtful and structured exploration of relationships that move beyond traditional monogamy. Rather than presenting a single model, the book invites couples to consciously define their own relational agreements.
From a counseling perspective, the most valuable aspect of this work is its emphasis on intentionality. Many relationship structures—monogamous or not—fail not because of their form, but because of unspoken expectations, unclear boundaries, and lack of communication.
Nelson reframes non-monogamy not as a deviation, but as one possible configuration within a broader relational spectrum. The focus shifts from “what is right” to “what works for this couple.” This requires a high degree of emotional awareness, honesty, and mutual respect.
At a deeper psychological level, the book touches on themes of:
- autonomy vs. attachment
- desire vs. security
- individuality within connection
These tensions exist in all relationships, but become more explicit in open structures. For this reason, the process of negotiation becomes central. Couples are encouraged to explore their needs, fears, and limits with clarity and openness.
In counseling practice, this book can be particularly useful for couples navigating transitions, renegotiating agreements, or exploring alternative relational models. It does not romanticize non-monogamy—it highlights the work required to sustain it.
Ultimately, Open Monogamy is less about a specific lifestyle and more about relational maturity: the capacity to engage in honest dialogue, tolerate complexity, and co-create a relationship that reflects both partners’ authentic needs.

