Flashback
"But I love you," Donna said, unable to comprehend how her whole world could come crashing down on her.
Behind her, the Doctor flinched.
"I love you," Rose said, her last desperate words to a lonely god.
Leaving the Doctor unable to comprehend how his whole world could come crashing down on him.
He never got to say it back.
A rare drabble inspired by an actual episode- The Runaway Bride.