Andersen often fell in love with unattainable women, and many of his stories are interpreted as references. At one point, he wrote in his diary: "Almighty God, thee only have I; thou steerest my fate, I must give myself up to thee! Give me a livelihood! Give me a bride! My blood wants love, as my heart does!" A girl named Riborg Voigt was the unrequited love of Andersen's youth. A small pouch containing a long letter from Voigt was found on Andersen's chest when he died several decades after he first fell in love with her, and after, he presumably fell in love with others. Other disappointments in love included Sophie Ørsted, the daughter of the physicist Hans Christian Ørsted, and Louise Collin, the youngest daughter of his benefactor Jonas Collin. One of his stories, "The Nightingale", was written as an expression of his passion for Jenny Lind and became the inspiration for her nickname, the "Swedish Nightingale". Andersen was often shy around women and had extreme difficulty in proposing to Lind. When Lind was boarding a train to go to an opera concert, Andersen gave Lind a letter of proposal. Her feelings towards him were not the same; she saw him as a brother, writing to him in 1844: "farewell ... God bless and protect my brother is the sincere wish of his affectionate sister, Jenny".