"Kreutzer Sonata" and "Family Happiness" are notable works by Leo Tolstoy that delve into the complexities of love, marriage, and human relationships. In "Kreutzer Sonata," the story revolves around a man named Pozdnyshev who recounts his tormented life filled with jealousy and betrayal, culminating in tragic outcomes. The novella critiques the institution of marriage and explores themes of passion, fidelity, and the darker aspects of human nature. In contrast, "Family Happiness" presents a more optimistic view of marital life. The narrative follows a young woman's journey, emphasizing her emotional growth within the confines of marriage. Through her experiences, Tolstoy reflects on the ideals of love, devotion, and the challenges couples face in their daily lives. The protagonist's perspective highlights the potential for growth and transformation that love can inspire. Together, these works offer contrasting perspectives on love and marriage, showcasing Tolstoy's depth in understanding human emotions. While "Kreutzer Sonata" serves as a cautionary tale about the destructive forces of jealousy and obsession, "Family Happiness" provides insight into the joys and trials of romantic relationships. Tolstoy's exploration of these themes remains relevant, inviting readers to ponder the complexities of their own relationships.