Charlie shook the boys hand. "Okay" he said with a bit of a chuckle afterwards. A lot of it sounded like pure fantasy. And he might have dismissed it all as nothing more than that if it wasn't for his presence on the TARDIS, and the thing's existence in the first place. Those things tended to change a man's perceptions.
"So what was it you wanted to tell me?" he asked. And what was so important that it couldn't have just been sent over the network? The communication devices were a bit like more modern versions of a telegraph. And encrypted messages were sent that way all the time...