Della cuts off her long beautiful hair and sells it in order to buy watch chain for her husband

Jim's prized watch. She sacrifices her hair in order to buy a meaningful gift for him, showing her deep love and sacrifice for her husband. The act of cutting off her hair symbolizes her willingness to give up something precious to her for the happiness of her husband. Jim, in turn, sells his watch to buy combs for Della's hair, showing that their love and selflessness are mutual. This story highlights the true value of love and the importance of giving from the heart.