47 pages • 1-hour read
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Content Warning: This section of the guide includes discussion of illness and death.
Millie Morris serves as the novel’s dynamic, round protagonist whose central conflict is her profound fear of emotional vulnerability. A criminology professor, Millie is intellectually sharp and professionally accomplished yet emotionally guarded. Her academic fascination with female serial killers reflects her own psychological state; she prefers to analyze complex human emotions from a detached, scholarly distance rather than experiencing them firsthand. This emotional unavailability is a defense mechanism rooted in her mother’s early death and a subsequent family dynamic that discouraged open communication about difficult feelings. Millie uses humor and a sarcastic “one of the guys” persona to keep others, even her closest friends, from getting too close. Her personal relationships are carefully managed to avoid the kind of intimacy that requires sharing her authentic self. When confronted with personal questions, particularly about her family and ailing father, she consistently deflects, reinforcing the emotional walls she has built.
Millie’s journey is driven by the internal tension between her desire for connection and her fear of the vulnerability it requires, a central concept in the theme of The Necessity of Vulnerability for Intimacy. This conflict crystallizes when she and her best friend Reid Campbell engage in a “half-night stand,” where physical intimacy is divorced from genuine connection, and it is further complicated when, because of the group’s pact to find dates online, she creates an anonymous alter ego named “Catherine.” This act of digital performance allows her a space to express the fears and desires she cannot voice as herself. As Catherine, she writes candid, witty, and emotionally honest letters, revealing a depth of feeling that she keeps hidden in her real life. Through this persona, she confesses her deepest anxieties, admitting, “I’m lonely because I don’t tell people what I need or what I want, and then get hurt when they don’t figure it out on their own” (236-37). This digital confession becomes the turning point in her development.
The deception, however, creates the story’s primary romantic and internal conflict. While Reid is drawn to Catherine’s openness, he remains frustrated by Millie’s real-life emotional reticence. Millie’s ultimate transformation occurs when she is forced to confront the consequences of her fractured identity. The realization that she has fallen in love with Reid, but a genuine relationship is impossible while she maintains her deception, compels her to dismantle her emotional defenses. Her decision to finally be honest with Reid, coupled with her commitment to helping her family by spending the summer at home, marks her growth from a state of emotional isolation to one of courageous vulnerability. She learns that true intimacy is not achieved through a curated performance but through the integration of her digital candor and her real-world self.
Reid Campbell is the novel’s deuteragonist, a brilliant and thoughtful neuroscience professor who serves as Millie’s primary romantic interest and a foil to her emotional guardedness. As Millie’s best friend, he is characterized by his emotional intelligence and intuitive nature. He consistently senses Millie’s underlying anxieties and is perceptive enough to recognize when she is hiding her true feelings, though he is often frustrated by his inability to break through her defenses. His defining desire is for a partnership that is both emotionally deep and built on a foundation of authentic friendship, a conflict explored through the theme of The Dangers of Moving From Friendship to Romance. Initially, Reid is comfortable within the safe, if stagnant, social circle of his friends, a dynamic symbolized by their recurring games of Monopoly. However, the pact to find dates for a university gala forces him to confront his own loneliness and his desire for a more meaningful connection.
Reid’s character development is driven by his search for a relationship that integrates emotional intimacy with the comfortable camaraderie he shares with Millie. His frustration with Millie’s emotional unavailability is contrasted with his immediate attraction to the candid online persona of “Catherine.” He is drawn not to a picture or a superficial profile but to the honest and vulnerable voice in her letters, revealing that he values emotional connection over physical appearance. This is further demonstrated when his in-person date with the beautiful Daisy proves to be a failure due to a lack of chemistry and genuine conversation. Reid’s journey is one of realizing that a fulfilling relationship requires more than the platonic comfort he has with Millie or the superficial attraction he feels for Daisy; it requires the emotional honesty he finds with Catherine. He is a dynamic character who evolves from being a content member of his “chosen family” to actively seeking a partner with whom he can share his whole self.
The central crisis for Reid occurs when he realizes his feelings for Millie are romantic, but he cannot sacrifice their friendship for a potential romance, nor can he suppress his feelings to preserve the friendship. He wants an integrated relationship, but Millie’s inability to be vulnerable stands as the primary obstacle. His discovery of Millie’s deception is hurtful not because of the lie itself but because it represents a betrayal of the honesty he values most. In their final confrontation, he articulates his fundamental need in a relationship, telling her, “I need to know you can talk to me about things. Things that really matter to you” (298). This demand for open communication is the culmination of his character arc, as he learns to define and ask for the kind of vulnerable, multifaceted partnership he truly desires, pushing both himself and Millie toward a more authentic form of intimacy.
Chris Hill functions as the responsible anchor of the friend group. A serious and accomplished chemistry professor, he is depicted as the most cautious and pragmatic member, often acting as a voice of reason. He is fiercely protective of their “chosen family” and is the first to express concern that a romance between Millie and Reid could disrupt the group’s stable dynamic. His initial dating profile is characteristically straightforward and factual, reflecting his no-nonsense personality.
As Reid’s oldest friend and confidant, Chris serves as a loyal sounding board, offering grounded advice. A static and flat character, his primary role is to provide stability within the group. His insights reflect the potential real-world consequences of the central romance, grounding the narrative’s more chaotic emotional elements.
Ed is a postdoctoral researcher in Reid’s lab, and he primarily serves as the group’s comic relief. Characterized as a “grown frat boy,” he is endearingly awkward and provides much of the story’s levity. Despite his seemingly immature exterior, however, he is more experienced with the nuances and lingo of modern online dating than his friends, and he acts as their reluctant guide in this digital world. Ed’s own romantic misadventures, such as being “ghosted” by a promising match, highlight the often ephemeral and disappointing nature of online connections, but as Millie notices, he also seems more invested in the project than the rest of them, hinting that he is looking for a serious relationship and may be more emotionally mature than his friends give him credit for.
Ed’s accidental discovery of Millie’s “Catherine” persona makes him an unwilling accomplice in her deception, and his subsequent anxiety about the secret places him in the middle of the central conflict. As a static character, Ed’s main function is to advance the plot through his knowledge of dating apps and to offer a humorous, more hapless perspective on the search for love in the digital age.
Alex Ramirez is a biochemistry professor and the resident charmer of the friend group. Described as “tall, dark, and wicked” (6), he embodies a more cynical and superficial approach to dating, prizing physical attraction and casual encounters over emotional connection. He is “never serious about anyone” and often acts as a foil to Reid (6), whose desire for a deep, meaningful partnership becomes more pronounced in contrast to Alex’s womanizing ways.
Alex’s perspective reinforces the novel’s exploration of performative identity, as he is the one who most bluntly judges potential matches on their profile pictures and dismisses emotional depth as secondary. Because he’s a static and flat character, his cynical and sexually motivated commentary serves to highlight the alternative, less romanticized side of the modern dating scene while also providing comedic tension within the group.



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