 The manner of drinking alcoholic drinks while dining is significant in Korean dining etiquette.Each diner is expected to face away from the eldest male and cover his mouth when drinking alcohol.According to Hyang Eum Ju Rye (향음주례; 鄕飮酒禮), the drinking etiquette established in Choseon Dynasty, it is impolite for a king and his vassal, a father and his son, or a teacher and his student to drink face to face.