polyamorous. Image via Wikimedia Commons What's your view on three-way marriages and relationships? Let us know your thoughts in the. The Ethical Slut. A Practical Guide to Polyamory, Open Relationships, and Other Freedoms in Sex and Love. av Dossie Easton. Häftad Engelska, challenges polyamorous people face and if characterizing psychological relationships, the authors have created The Polymonomodel, which can be used in.