1. Serial multipartnerism, which can also be called serial monogamy, means having partners one at a time.

2. As we have seen serial monogamy could put the claims of unquestionably legitimate princes at risk.

3. Nevertheless the serial monogamy of kings is likely to have had its implications for the rivalries between their heirs.

4. If serial monogamy is the norm, even if individuals have many partners over time, the virus is trapped within relationships and gets around slowly.

5. Such would tend to be the case where people practice serial monogamy.

6. We are a pair-bonded species, practicing monogamy (or at least serial monogamy) long enough to get our children out of childhood.

7. But greater longevity might also lead to a higher incidence of serial monogamy, regardless of whether it leads to marriage, perhaps interspersed with periods of living alone.