Donna was walking down the street when she saw a man whom she had never seen before, not an uncommon occurrence here, but the was something about him. His messy hair, his tweedy jacket. The bow tie and suspenders. The prominent nose. Donna stared at him. The thing that made her the most curious about him was the irresistibility urge to run up and give him a hug. Donna felt like she knew him from somewhere. She decided to go and talk to him.
"Excuse me?" she said.
"Yes," he looked at her, his voice sounded boyish and eyes eyes were deep.
"Do I know you from somewhere?" Donna asked.
A look of panic surged through the man's eyes, "Umm, no, I don't think so."
Donna wasn't buying it, she just knew they had met before, "I don't believe you."
For some mad reason her broke into the biggest smile, "Good."
"Good?" Donna asked. "In what way is that good?"
"You don't believe me," he said, still grinning from ear to ear. "Never believe a stranger."
Donna frowned at him and stuck with an insult, "If you keep that idiotic look on your face it'll stick there."
The grin was widened if that was even possible, "Great, that's even better. The world needs more grinning idiots."
Donna shook her head and smiled, "Yep, you definitely fit that description."
"Thank you," was the happy reply.
"My name's Donna Temple-Noble," she told him.
"Hello Donna Temple-Noble," he said. "I am, er, Dr. John Smith."
Donna nodded, ignoring the tug of familiarity that came with the name.
"So," Dr. Smith began. "What are you doing on this fine morning in Chiswick?"
Donna pulled out a lottery ticket from her pocket, "Cashing this in."
"Did ya win anything?" Dr. Smith asked innocently.
Donna nodded, giving her own ear to ear grin, "Yes! Every number. It was triple roll over too."
Dr. Smith clapped his hands, "Congratulations. That's a lot of money."
"Yeah," Donna agreed. "But I'd trade it all in for... Oh it doesn't matter."
"What?" asked Dr. Smith.
"Well," Donna looked at him. "I lost all of my memories for the last couple of years. I want them back, because I just know I did something great."
Dr. Smith nodded, "Yes, I've worked with lots of memory loss patients in my life. I understand how hard it is."
Donna bit her lip and nodded, then, waving the ticket in the air she said, "Well, I better be off before I lose this thing."
"Bye," Dr. Smith waved.
"Yeah," Donna walked off. "C'ya!"
The Doctor took one last look at his best friend before turning into the TARDIS.
"Oh Donna," he sighed. "You were great. If only you knew."