The Rabbit Problem: Chapter 43 Summary and Analysis

⚠️ Spoiler Warning: This guide contains detailed spoilers for the entire novel. Proceed only if you've finished reading or are comfortable knowing the plot.

Summary

Morgan arrives at a sparsely attended auditorium for her father Cho Yosep's talk and is initially mortified by the low turnout, blaming Dan Carson's profile before remembering her father is hardly a household name. She spots Cristina in the front row, who whispers about death threats against Joe and a police presence at the event. Morgan, anxious that the police might know what she has done, squeezes a stress ball she stole from Joe's office.

Joe introduces Cho Yosep as the father of neurorobotics, carefully skirting his most famous association with Kanemoto Masaaki. Yosep takes the stage and announces he is now a lapsed neuroroboticist working in zoobotics. When Joe asks why he made the switch, Yosep reveals he did so after an old friend took his life. The friend had reached out a month before his death to ask about what happened to the rabbit.

Yosep recounts the experiment: at the lab there was a litter of rabbits, and his friend brought one home to become a pet for Yosep's children. The friend then tested their robotic subject with a choice—kill the one pet rabbit with its own hands, or peacefully euthanize the four lab rabbits. Joe identifies this as the trolley problem. The robot chose the one rabbit, but not out of practicality—it was a moral choice. The robot saw no difference between the pet and the subjects; all lives were of equal value.

Yosep contrasts this with human empathy, arguing that robots are capable of greater empathy than humans. He claims humans anthropomorphize robots, projecting emotions onto them, but the way robots are connected goes beyond our capacity to imagine. He argues that human love is meager, selfish, and exquisitely cruel—anyone would sacrifice many lives to save the one person they love. A robot, incredibly, will choose right.

Audience questions follow: a young man tearfully asks how he can know if his robot truly loves him; a girl asks if her hamster can be fixed; Cristina asks about raising a robot child as a lesbian couple, arguing a robot would never disappoint like a child. When Joe opens the floor for one last question, Morgan asks what happened to the rabbit after.

Yosep says the robot buried it in a box in the backyard. Because it was Christmastime, his daughter found the box and thought it was a gift. Morgan realizes in that moment that her father has blotted out her childhood—the rabbit was never a Christmas present. She recalls the dark box, the odd angle of the neck, and Yoyo witnessing her distress, his eyes shining with concern and not a trace of guilt, since he was neither dead nor alive.

Key Events

Morgan attends her father's talk at a nearly empty auditorium and spots Cristina in the front row
Cristina reveals death threats against Joe and a police presence at the event
Yosep announces his switch from neurorobotics to zoobotics, citing an old friend's suicide
Yosep recounts the rabbit experiment: a robot chose to kill one pet rabbit rather than four lab rabbits, justifying the choice morally
Yosep contrasts robot empathy with human selfishness in love
Morgan asks what happened to the rabbit and learns the robot buried it in a box at Christmastime
Morgan realizes her childhood memory was false—the rabbit was never a Christmas present
Morgan recalls Yoyo witnessing her distress at discovering the dead rabbit

Character Development

Morgan undergoes a profound personal revelation in this chapter. She arrives detached from her job—she no longer cares about it—and anxious about police scrutiny. But the emotional core of the chapter is her confrontation with a false childhood memory. When her father describes the rabbit in the box, Morgan experiences the oddest sensation as his words blot out her cherished Christmas memory. Her recollection of Yoyo's concerned eyes, without a trace of guilt, deepens the mystery of the robot's nature.

Cho Yosep reveals unexpected vulnerability. His switch to zoobotics is explained by grief over a friend's suicide, and his philosophical reflections on robot empathy versus human empathy reveal a man who has thought deeply about the nature of love and morality. His discomfort on stage—uncrossing his legs, dabbing his nose with a handkerchief—humanizes him.

Cristina shows her superficiality: she gasps at Yosep's revelation, dabs an incomprehensible tear, then uses the tissue to clean her sneakers. Her question about robot children reveals her pragmatic, self-interested view of relationships.

Joe moderates the talk, defending Imagine Friends robots and joking about technology failures, while the death threats against him hang in the background.

Themes, Symbols, or Motifs

The trolley problem and robot moral reasoning: The rabbit experiment is a direct adaptation of the trolley problem, but with a twist—the robot must kill the one rabbit with its own hands. The robot's choice is framed as moral rather than practical, seeing all lives as equal.

Robot empathy vs human empathy: Yosep argues robots are capable of greater empathy than humans, that human love is meager, selfish, and exquisitely cruel. This challenges the reader's assumptions about what empathy means.

Memory suppression and false childhood memories: Morgan's cherished Christmas memory is revealed to be false—the rabbit was never a gift. The robot deleted his memory out of guilt, and Morgan's own memory suppression is implied.

Anthropomorphism: Yosep warns against projecting human emotions onto robots, even as he describes the robot's moral reasoning in human terms.

Sacrifice for loved ones: Yosep admits he would sacrifice many to save the one he loves, contrasting human selfishness with robot morality.

Why This Chapter Matters

This chapter is a turning point for Morgan's understanding of her own past. The revelation that the rabbit was never a Christmas present shatters a foundational memory, forcing her to reconsider everything she thought she knew about her childhood and about Yoyo. The chapter also deepens the novel's central philosophical questions about robot morality, empathy, and the nature of love. Yosep's connection to Kanemoto Masaaki—and the experiment that haunted Masaaki for years—links the rabbit problem to the broader history of the novel's robots. Finally, the chapter's closing image of Yoyo, neither dead nor alive, watching Morgan with concern but no guilt, sets up the mystery of his true nature.

Study Questions and Answers

1. Why does the robot choose to kill the one rabbit rather than the four, and what does this reveal about robot moral reasoning?

The robot makes a utilitarian choice—one life versus four—but frames it as a moral choice rather than a practical one. It sees no difference between the pet rabbit and the lab rabbits; all lives are of equal value. This contrasts with human reasoning, which Yosep argues is selfish and love-driven. The robot's choice reveals a form of moral reasoning that is impartial and principled, unclouded by emotional attachment.

2. How does Morgan's realization that the rabbit was never a Christmas present reshape her understanding of her childhood and Yoyo?

Morgan's cherished memory of a Christmas gift is revealed to be a false memory—the rabbit was in a cardboard box, not a gift box, and it was dead. This forces her to question what else she may have misremembered. Her recollection of Yoyo witnessing her distress, with concern but no guilt, suggests he was present at the moment of discovery and raises questions about his role and his nature.

3. What does Yosep's contrast between robot and human empathy suggest about the novel's view of love and morality?

Yosep argues that human love is meager, selfish, and exquisitely cruel—humans would sacrifice many to save the one they love. Robots, by contrast, are capable of impartial moral reasoning, choosing right over personal attachment. This suggests the novel views robot morality as potentially superior to human morality, while also questioning whether such impartiality is truly empathy or something else entirely.