Gatsby expects that Daisy will be happy to leave Tom behind and break off her marriage with him. Gatsby's dream has been to build a fortune and reclaim the love that he once lost because, as he sees it, he was too poor for Daisy when they first met.
Well after everything Gatsby did for Daisy, she was hoping that Daisy would return to him and break off her marriage with Tom. Gatsby really wants to show that he is capable of taking care of her way better than Tom
