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Open relationships include any type of romantic relationship (dating, marriage, etc.) that is open.
The term open relationship is sometimes used interchangeably with the closely related term polyamory, but the two concepts are not identical.
Other tools that couples utilize in the negotiation process include allowing partners to veto new relationships, prior permission, and interaction between partners.
Most also are either childfree, or post child-rearing.
Many couples consider open relationships, but choose not to follow through with the idea.
Some couples create a physical relationship contract.
These can be useful in not only negotiating, but also clearly articulating the needs, wants, limits, expectations, and commitments that are expected of the parties involved.
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