This year, Sweetest Day falls on Saturday, October 17. This holiday is all about celebrating romance and affection, usually with gifts like candy, flowers, or heartfelt cards. Sweetest Day has been celebrated since the 1920s. It’s not a national holiday, but it is very popular in a number of states. National chains like Target sell Sweetest Day cards nationwide, which seems to indicate that more and more states are beginning to celebrate this fun holiday. If you want to get your sweetie...