The focus shifts to the intertwined love stories of Dorothea, Lydgate, and Fred. Dorothea’s compassion and sense of duty are tested as Casaubon’s health deteriorates further. Lydgate and Rosamond marry, but their relationship is quickly strained by financial difficulties and differing values. Fred’s love for Mary Garth faces challenges due to his irresponsibility and her high moral standards. The theme of love’s complexity is explored through the characters’ varying motivations and struggles. Casaubon’s death leaves Dorothea with newfound freedom, but also with lingering obligations. Social and economic pressures continue to shape the characters’ lives. The narrative highlights the enduring conflict between personal desires and societal expectations.

BOOK IV. THREE LOVE PROBLEMS.
CHAPTER XXXIV.
CHAPTER XXXV.
CHAPTER XXXVI.
CHAPTER XXXVII.
CHAPTER XXXVIII.
CHAPTER XXXIX.
CHAPTER XL.
CHAPTER XLI.
CHAPTER XLII.