What did Dexter lose in winter dreams?

In "Winter Dreams" by F. Scott Fitzgerald, Dexter Green loses his idealized vision of love and success through his pursuit of Judy Jones. Despite achieving wealth and status, he ultimately realizes that his obsession with her and the unattainable nature of his dreams leads to emptiness and disillusionment. The story highlights the fleeting nature of desire and the harsh realities that accompany the pursuit of one's ambitions. Dexter's loss is not just of Judy, but of his youthful dreams and the innocence that accompanied them.