It couldn’t have happened anywhere but in little old New York.

The line expresses a characteristically O. Henry sense that New York City—often affectionately dubbed “little old New York”—is uniquely capable of producing improbable coincidences, abrupt reversals, and human comedy. It implies that the city’s density, anonymity, and constant motion create conditions where unlikely encounters and ironies feel almost natural. The phrasing carries both fondness and mild incredulity: New York is “little” only as a term of endearment, while its social complexity makes it seem like the only plausible stage for the event just described. In O. Henry’s work, this sentiment often underscores how urban life compresses diverse lives into sudden, story-worthy collisions.