Between three and five. I have three at my place, but I know some houses are bigger and hold six people. [ A thumbs-up! ] If there's anyone else from your dimension, they're probably in the same house.

[ He pauses, looking up towards where the sky would be. ] Y'know, it's weird that they figure that out sometimes. But I guess we all get pretty excited when we find people we know, so they'd be jerks not to pay attention to that.