He had been delirious with pain, trapped in that void for what felt like eternity, and when he found himself sprawled on an empty street on Earth with Rose staring down at him, the Doctor thought he had died and had found her at last. Finally, release. Yet, he couldn't believe it, he refused to believe it. Past the golden hair and the haunting blue eyes, he sees only bronze skin and soft lips pressed on his own, giving him breath on the moon. He holds on to Rose's ghost, happy to know that if this is his last day on Earth, the person he had lost he had found again, though the one his hearts yearn for is still gone. Before he lost consciousness, he said his goodbyes to his beautiful Rose. But only one name did he repeat over and over until sleep took him, or death, he wasn't sure, and didn't care.
