It's Valentine's Day again, which means we'll all be buying cards, chocolates and flowers for our significant other (or ridiculing the holiday for its commercial vapidness). Since Valentine's Day is one of the major holidays of the western world, you've probably heard the history: We celebrate Valentine's day in honor of St. Valentinus, who was martyred a long time ago around February 14th - the "romance" part is because he continued to marry soldiers during wartime; ...