They were sitting at either end of the couch looking at each other as if some question had been asked or was in the air, and every vestige of embarrassment was gone. Daisy’s face was smeared with tears and when I came in she jumped up and began wiping at it with her handkerchief before a mirror. But there was a change in Gatsby that was simply confounding. He literally glowed; without a word or a gesture of exultation a new well-being radiated from him and filled the little room.

– F. Scott Fitzgerald

The Great Gatsby, Chapter 5. Gatsby and Daisy are at first uncomfortable at their reunion. But when Nick leaves them alone to sort it out and returns he finds them talking openly and emotionally. Gatsby is glowing with love for Daisy, though she is in tears, suggesting that maybe she is not as invested as Gatsby in the relationship.