...Or to make it even more confusing the doctor's daughter who played the doctor's daughter and is also the doctor's wife who went to school with the doctor's daughter going back in time to flirt with King Arthur, who just so happens to have a manservant/sorcerer best friend who once took a journey with the doctor on a ship over a planet called Midnight
This is why what happened to Donna was so tragic. She never believed she was good enough, or important at all, then she learned the truth that she was the most important woman in the universe. And then, she forgot. All she had learned, lost. She learned to value herself and then... Her granddad said "She was better with you." He was right. She lost more than her memories that day, I think she knew that, I wonder if he knew what he was taking from her in order to save her?