I know! I think the last half of S2 made me cry so hard for Tosh in like, every episode.

I think, no matter how 'Yay! sex!' Jack is, that he can recognize that the weakest link in the chain here is those poor sods from the 21st century, who have big problems just lying back and enjoying the sexual moment. I don't think he'd mind having some sort of group thing, but I think he knows that the team might get wiggy after.