Herriot uses Mrs. Pumphrey's excessive pampering of Tricki — overfeeding him cream cakes, chocolates, and Horlicks, dressing him in wardrobes of coats, yet denying him proper exercise — to critique how wealthy pet owners often confuse indulgence with love. Her misguided affection directly causes Tricki's illness. Herriot's clinical intervention, providing only water and exercise, restores Tricki to health, highlighting that true responsibility requires discipline over sentiment. Mrs. Pumphrey's final remark, "a triumph of surgery," ironically underscores her inability to see that neglect of duty, not disease, was the real problem.
Source: A Triumph of Surgery, Chapter 1
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This question asks for analysis, so examiners expect you to identify the social commentary (rich owners = indulgence ≠ care), connect it to specific textual evidence (overfeeding, coats, no exercise), and note the irony in Mrs. Pumphrey's final line. Avoid merely retelling the story — link each detail to the broader comment Herriot is making. The irony of "triumph of surgery" is a high-value point worth including.