National Drink Wine Day is coming up on February 18th, and you might be getting ready to kick back with a glass or two with your friends and loved ones. Whether you prefer a Malbec or a Merlot, red wine is delicious - but comes with one major drawback. Stains. A red-wine smile is rarely what you want, especially if you’ve just had your teeth whitened. Here’s how to dodge the stains this year.