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He knew that when he kissed this girl, and forever wed his unutterable visions to her perishable breath, his mind would never again romp like the mind of God.
— F. Scott Fitzgerald · The Great Gatsby

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A moment of romantic surrender described as a kind of quiet loss, where devoting oneself to another person means giving up a former sense of limitless imagination. The passage treats love as both a gift and a narrowing of what once felt boundless.
Context reviewed