[Dilbert San Diego]

And male homosexuals in particular, have high rates of various sexually transmitted diseases, which will affect lifespans.

Though if they avoid the voluntary risky behavior which spread such diseases, their outlook undoubtedly improves.

[Vigilanteman]

Didn't some famous NBA player (Wilt the Stilt, as I recall) brag about boinking some 20,000 women during his career? This is off the charts by the most randy standards of heterosexual behavior.

However, I've heard that it may only be ten times as high as typical homo behavior, IOW, 2000 or so partners over a lifetime is not at all unusual.