When a young, impressionable Asian man, originating from New Zealand has an increased demand in shower sex, owing to an overall boost in consumption capability.
Guy 1: So ever since that guy took microeconomics, he's been having more sex. Especially in the shower.
Guy 2: Oh yeah? Is there more available? Did sex taxes go down?
Guy 1: Nope, greater demand.
Guy 2: Ah! So he's a shower offer.