F. Scott Fitzgerald's personal relationships significantly influenced his writings, particularly his tumultuous marriage with Zelda Sayre. Their passionate yet volatile connection served as both inspiration and torment for Fitzgerald, shaping themes of romantic idealism and disillusionment in works like "The Great Gatsby." The societal pressures and financial struggles faced by the couple also colored his narratives. Through his portrayal of relationships and social dynamics, Fitzgerald captured the complexities of love, loss, and the American Dream, reflecting his own life's tumult.