" You and your partner transitioning together to CNM, which you are happy about, but experiencing a real loss of the old relationship that the two of you had together. Even though you might still be together, the relationship has changed, and it’s common to have grief about the past relationship with your partner that is no longer, as well as grief and loss about the monogamous future you had envisioned with them. "

― , Polysecure: Attachment, Trauma and Consensual Nonmonogamy