What defines an open marriage?

Open marriage is one type of relationship under the larger umbrella of consensual non-monogamy. It differs from polyamory, another style of non-monogamy, in that theres one committed couple at the center and theyre not typically seeking a romantic love connection from their external sexual relationships.

Are people happier in monogamous relationships?

Interestingly, both poly and monogamous respondents in the study reported being equally as happy in their marriage. The differences in happiness are huge when poly and general people were asked about personal happiness.