Once we were airborne, Mary turned to me, "Is it true you have a harem of girls you're having sex with?" She demanded.
"Um... yeah. It isn't a forced thing, everyone joins willingly, and all current members must approve new members. New members must be virgins and STD free, with a test to show it, and you have to promise to be loyal to the harem, and leave if you decide to pursue another guy," I replied awkwardly, I'd known Mary since she was four, so this was a touch awkward.
"What are the rules about having babies?" Mary demanded.
"Well, both me and the girl wanting to have a...