An interesting recent paper confirms that most gay men with one main partner for a given year also have concurrent casual sexual relationships. The paper presents good data on the number of gay partnerships per year, confirming previous findings by others, but what is new are data about gay relationships per year when there is also a main partner. Contrary to the stereotype, the typical number of sexual partners per year per person in the SSA community is not hundreds but about three. If there was no main partner the figure was five. The result for bisexuals was 2.5 partners....