“The poetic heart is not to be trusted”
The Sun is Also a Star“The poetic heart is not to be trusted” is Natasha Kingsley’s compact argument against treating romantic feeling as a reliable guide to a life’s practical decisions. The expression distinguishes the heart of love songs and soliloquies from the organ sustained by food and exercise, then tests that distinction against Natasha’s desire for Daniel Jae Ho Bae. Its force comes not from resolving the conflict between feeling and judgment, but from showing Natasha understand the danger of romantic certainty while still wanting the person before her.
The Two Meanings of the Heart
Natasha begins by separating the poetic heart from the real one. The former, she says, is the heart imagined in love songs and soliloquies, capable of breaking “as if it were just-formed glass.” The real heart, by contrast, has ordinary physical needs: healthy food and aerobic exercise. This contrast deflates the romantic metaphor without denying its emotional power. The poetic heart is not a medical fact but a cultural story about love—one that can make desire sound like destiny and heartbreak sound like physical ruin.
The expression’s warning grows sharper when Natasha describes what the poetic heart tells people. It promises that love and dreams are sufficient, while saying nothing about food, water, shelter, or money. It elevates a newly noticed person into the One, and then qualifies that declaration: the One may be so only for the present, until either person’s heart turns elsewhere. Romantic certainty therefore contains its own instability. The heart speaks in absolutes, but its attachment can change; what it presents as an enduring truth may be temporary feeling.
Feeling Against Practical Judgment
The warning is explicitly about decisions over time, not the mere existence of attraction. Natasha says the poetic heart is “fickle” and can lead someone astray, then concludes that it cannot be trusted with long-term decision-making. The practical needs it omits are not incidental details in her reasoning: they name the material conditions a romantic ideal cannot itself supply. Love and dreams may feel complete from within the metaphor, but they do not answer the questions of how a person will live.
Natasha’s illustration is personal rather than abstract. She knows Daniel is earnest, is uncertain about what he wants, and dreams of becoming a poet—a profession she associates with heartbreak and poverty. These reservations make her attraction more complicated, not less real. Her judgment can identify the risks she sees in Daniel’s aspirations and uncertainty; it cannot make her stop wanting him. In this moment, the expression describes a limit of rational advice: recognizing a feeling’s unreliability does not automatically release a person from it.
The Sidewalk Moment
The aphorism appears during a strained pause between Natasha and Daniel. He offers his hand, but she does not take it; she keeps walking. The narrative calls the exchange a moment she does not want to be having, placing her physical withdrawal alongside the inward pull she is about to describe. The contrast is exact: her hand refuses contact, while her heart wants it. The expression gives a name to that division without making either side disappear.
The stakes intensify because Natasha is with Daniel on what is almost certainly her last day in the United States. She recognizes that her desire is impractical and rejects, at least intellectually, the idea that the pair are meant to be together. Yet she admits that she is wondering whether she has been wrong. The passage thus places her maxim under pressure at the precise point when its caution matters: a consequential separation makes the promise of romantic destiny newly tempting, though it does not prove that promise true.
Knowledge, Irony, and the Closed Hand
Natasha presents herself as someone who already knows the difference between poetic conviction and fact. To convey how settled that knowledge is, she compares it to knowing that Polaris, the North Star, is not the brightest star in the sky but the fiftieth. The comparison makes her awareness sound precise and well established. It also sharpens the irony: factual knowledge remains intact, but it does not govern what she wants. She can know that the heart is fickle and still feel its pull.
The scene ends not with a grand declaration but with a small act of restraint. Natasha closes the open palm that wants to touch Daniel and walks on. The gesture gives the expression its physical conclusion: the warning may shape what she does, even while it fails to settle what she feels. Her hand closes, but the desire that opened it has not been argued away. In this passage, the poetic heart is untrustworthy as a planner, not unreal as an experience; the tension between those claims is what makes the maxim more than a simple dismissal of romance.