The Doctor's eyebrow of doom shot up his forehead and he looked decidedly confused for a millisecond, and then grinned, his eyes bugging a bit the way they did when he was ready to pop out of his skin and go running off in search of the newest weird thing they'd found. His grip on Rose's hand even tightened, as if they were about to start the running that they'd done so frequently through their times together. Things were back to normal, it seemed.

"Gender-swappers? Vampires?" he repeated. "Do you mean plasmavores, or actual, honest to goodness, Dracula vampires?" he asked, raking his free hand through his hair, sending it off in a million directions and looking a cross between worried and confused. Not that either emotion would stop him from figuring this all out. It was what he did, after all.

Suddenly, impulsively, reflexively...aww hell, he just did it spur of the moment, like he did most things, the Doctor cupped Rose's face in her hands and planted a kiss right on her mouth before jumping up and bouncing back and forth between each foot, beaming. He had everything he could ask for, right then, in that moment. "This is fantastic!" he beamed, biting on the tip of his tongue and shoving his hands in his pockets, looking like a little boy with a brand new bike.