Try as we may, we always seem to forget someone's birthday. But with a stash of This Many Cards ($4 each) on hand, we can make it look like Facebook didn't just remind us twenty minutes ago. It's a cinch - we just grab a colored pencil and color in the number of candle flames based on our birthday friend's age. After adding a sweet message inside, we're good to go! We just have to remember to stop at the liquor store on the way to the party and grab a celebratory bottle of champagne!