Ake:

1. We're talking about monogamy, not polygamy/polyandry.

2. The mainstream argument in FAVOR of monogamy is that it provides a stable relationship which is more nurturing to young. I would suspect that it more enriching, when successful, in other ways also.

3. I have not seen any evidence and wonder if you have that indicates in any way that these advantages manifest differently when the monogoamous couple are opposite versus the same gender.


A