Conversation hearts, truffles galore and heart-shaped boxes of chocolates—these are the symbols of Valentine’s Day for many lovers around the world. But why do we have a “sweets to the sweet” tradition every February 14? While the roots of Valentine’s Day go all the way back to Roman times, candy gift giving is a much more recent development. Is it because of chocolate’s As popular with people very much,and a way for candy companies to sell more sweets in the lull between Christmas and Easter? Whatever the reason, those ubiquitous little red boxes flood shelves every year, and this week we’re taking a look at the reasons why.