The Doctor examined the whole room, still studying the cameras and letting his mind take off with what he gather from the place. He glanced at the mention of zombies, “Ah, hold on. Sorry. But, did you say….zombies?” Rather than sounding skeptical or sounding as if the two needed mental help the trench coat wearing man genuinely sounded as if he wanted the real answer to the question; genuinely interested in it. Already he was connecting some of the pieces, wondering if in fact there was something more behind this, if there was perhaps other realities or situations that drew them here before his eyes traveled away at a voice, a voice that made his insides go still and his mind real into silence; the only thing in this place or maybe even the entirety of the universe that could stop him in his tracks.
Once upon a time he may have been relieved; once upon a time he would have rushed to the girl, grins and disbelief but such energy behind those eyes that sometimes lingered in guilt and a haunting that no matter the person he just refused to share. Running and running, always unto the very ends of the universe, never stopping, never pausing to linger on it himself. But now? Now was so different. As it stood so much had changed and so much had been done, so much he couldn’t focus on even as it ran against his thoughts and against all he was. He’d done the only thing he ever could, he ran from his fate, ran from everything. The Doctor had traveled alone for ages now, ages upon ages and left to the silence had made him a harder man, a darker man. A someone that eventually became consumed with power and driven almost mad, sentenced to his own death. When his gaze fell on Rose he felt as if the rest of the world, for a second were an echo…the voices meaningless and something painful settled, weighted, a glimpse of what he never usually showed behind the restless energy and those easy grins but for the moment it came across fairly clearly in the mingled shock.