Valentine's Day Facts: Gifts, History, and Love Science

Where did Valentine's Day come from? (Think naked Romans, paganism, and whips.) What does it cost? And why do we fall for it, year after year?

Source: http://news.nationalgeographic.com/news/2011/02/110214-valentines-day-gifts-cards-history-facts/

presents for men, party favors, hampers, promotional products,