Happy V Day everyone! If you're the History Channel-watching type, click here for an over-abundance of background info on the holiday. You'll find riveting nuggets of knowledge such as:
It is traditionally a day on which lovers express their love for each other by presenting flowers, offering confectionery, and sending greeting cards (known as "valentines").
Other helpful information on the Wikipedia page includes a pic of a child wearing Valentine's themed clothing. Hope all of your confusion has been cleared up ;)