The Doctor was once again surprised by this human. he often was by this magnificent race. She had favorites of his regenerations? She watched him until his 5th regeneration? This was a young woman. Not quite a child by human standards, but The Doctor had been reborn in different times and places that she could not have been to.
Taking her hand "Fred, a pleasure to make your acquaintance. You know more about Gallifreyan biology, and my history than most of my enemies, and I suspect all of my friends.” He stepped back towards the TARDIS, opening the door and half stepping through. “If you know something about me, I’m not one to accept that I cannot escape anything Fred.” He slipped in the ship and it began to hum as it powered up.
Popping his head out with a mischievous grin, “Wanna take a ride?”