Why? Korean customs: 1. Always remove your shoes when you enter a home. 2. Always refuse a gift, and then accept it after the giver insists and say something like "You didn't have to". 3. When greeting someone older than you, bow. 4. After a meal at a restaurant, tell the server you enjoyed the meal and that they should keep up the good work. Korean manners: 1. Look down at Asians of a different nationality. 2. If you are a teenager or single 20-something, travel in packs with your friends. 3. Esteem yourself higher than others if you or your child attend/attended any Ivy League university. 4. Give dry cleaning discounts only to Korean customers. 5. Serve kim-chee at Thanksgiving and Christmas turkey/ham dinners. 6. Burp at the dinner table.