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Later that day, when everything had been set in motion, the newly formed TARDIS trio were relaxing in the console room. Amy was reading a book, while the Doctor was explaining to Robyn the finer points of happy prime numbers.
The TARDIS itself hummed contentedly, pleased that her pilot now had someone who needed him as much he needed her. She'd known the heartbreak he'd been through, all the people he'd loved and lost, so it was a delightful change to see him happy. Amy had helped, to a point, and the TARDIS was grateful that she had. But there was something special about having a child on board that she'd missed. She still remembered Susan, and the Doctor's promise that he'd return for her, but now... now she was sure that would never happen, so Robyn was the next best thing.
Robyn laughed. "That's weird," she said, after the Doctor had finished explaining happy prime numbers.
"You're weird, Robyn Lawson," the Doctor replied. "But I don't see anyone laughing at you."
"That's because there isn't anyone to laugh at me any more," Robyn countered. "Because I have a home, and that lot back at the orphanage don't!" She smiled. "Besides, even if they do find homes, and people who want to adopt them, they haven't got you, have they?"
The Doctor patted the top of her head. "No, they don't."
Robyn frowned for a moment, a thought crossing her mind. "What am I supposed to call you?" she asked. "I mean, I could still keep calling you Doctor, but that wouldn't sound right, would it?"
"Well, that's something for you to decide," the Doctor replied. "What do you think you should call me?"
"Him in the bow-tie," Amy interjected, smiling wickedly.
Robyn giggled.
The Doctor looked at his companion in annoyance. "Oi, none of that." He turned back to Robyn. "What do you think you should call me," he repeated. "And not 'him in the bow-tie', that would be silly."
Amy laughed. "But accurate," she said.
Robyn thought carefully. "Oh, it probably sounds too human for you, but... can I call you 'Dad'?"
"I was called 'Grandfather' once, and that sounds human too."
"I know, but..."
"Dad is fine."
Robyn smiled, pleased that her suggestion had been accepted, and not shot down in flames. To be able to call the Doctor 'Dad' cemented the sense of family she'd felt ever since she'd met him, and she loved every minute of it. She knew there'd be times where she'd need to run, to be scared for her life, and to be scared for his, but that could be dealt with when it presented itself, and not before, just like she'd told him in the nightmare world.
Thanks to a little speck of pollen, a little girl who had nothing, found a family.
A rather strange and disjointed family, but a family all the same.
The adventures that came with it, however, were a bonus.
The family was the greater reward.
The End.
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