Sommelier André Hueston Mack is back to answer some of the internet's most asked questions about wine. Why do some wines give you a headache? Why does aging wine make it better? And why on earth do sommeliers spit it out? André answers these questions and more on the latest edition of World of Wine. Follow Andre on Instagram at https://www.instagram.com/andrehmack/ Want Bon Appétit shirts, hats and more? https://shop.bonappetit.com/?utm_source=youtube&utm_brand=ba&utm_campaign=aud-dev&utm_medium=video&utm_content=merch-shop-promo Still haven’t subscribed to Bon Appétit on YouTube? ►► http://bit.ly/1TLeyPn Want more Bon Appétit in your life? Subscribe to the magazine! https://bit.ly/313UWRu ABOUT BON APPÉTIT Bon Appétit is a highly opinionated food brand that wants everyone to love cooking and eating as much as we do. We believe in seasonal produce, properly salted pasta water, and developing recipes that anyone can make at home.