Shen Yan, Marquis of Yong'an, married Lin Wan, a concubine from a small family. The whole capital laughed at him for being blind and marrying an unworthy man. Until the palace banquet, the eldest princess made things difficult for Lin Wan and asked her to identify the tribute wine on the spot. Lin Wan lowered her eyes and whispered the names, years, and origins of the eighteen kinds of wine. Even the winemaker's technique was slightly off due to an injury to his right hand three years ago. Shen Yan slowly put down his wine glass and smiled at the frightened people: "My wife made you laugh with this little hobby."
