Obviously, if by "supply" you mean "sell, unless you're a really hot chick and are willing to take your top off." (He's the son of a businessman, after all xD) He'll be like "school party. Okay. So, BYOB."
Seriously, especially if there's some kind of obstacle to get through (like, some people are separated from the others by... a pool or the zombies or something) so the pairs aren't necessarily the people that they'd CHOOSE to go with.