Love is a drug, pretty much. It's expensive — we spend as much as $2,129 a year on dates — and it gets you high. But unlike some other vices, romance is good for your health. In this video breakdown of dating and chemistry, Buzzfeed lays out some fascinating statistics about how much money men and women spend on dates and proves that the chemistry of being in love makes it all worth it. You can thank us during your next makeout session.