Monogamish

So I've got a new word to describe relationships like yours, mine, and your mom's, IIC: "monogamish." We're mostly monogamous, not swingers, not actively looking. Monogamish.

Source: wiktionary

In their own marriage, Savage and Miller practice being what he calls “monogamish,” allowing occasional infidelities, which they are honest about. Miller was initially opposed to the idea.

Source: wiktionary

In 2008, Dr. Sarit A. Golub, a member of our research group, coined the term “monogamish” to describe situations such as this, in which the relationship is neither monogamous nor open, but closer to monogamy than not, and our recent research has confirmed this unique relationship arrangement and suggests gay men in monogamish relationships report low levels of sexual risk and high levels or relationship satisfaction (Parsons et al, in press).

Source: wiktionary

Assuming he denies this story, use it as a jumping-off point to discuss the difference between monogamy and monogamish.

Source: wiktionary