He sort of wanted to ask what the reasons were, but he imagined it wasn't the best conversational subject right now. Sulu followed after him, shaking his head in amusement. "Once you set your mind to something, you don't let up, huh?" Honestly, that was the kind of persistence he was more used to seeing out of Starfleet personnel than anyone else, but Torchwood was sort of in the same area of expertise. Sort of.

He smirked. "Depressing, or just boring? There's a difference, despite all evidence to the contrary."