"Human?" Donna's glass stayed stuck to her lips for a moment as her brain caught up with the information. Slowly, her head tipped to the side, a curious look glazing over her eyes.

"But you're an alien. You've got two hearts and you time travel and you like the cold more than's healthy and- Oh! That's why you like Earth," she announced, pleased with her conclusion and rewarded herself with a drink. "You'll owe me drinks at that other pub, too."

Then, suddenly; "You miss her."