"Hmmm..." she said, considering how much she could get away with telling without Tieria coming down on her like-- but he wasn't here any more, was he? Some part of her still had to admit that some secrecy was probably a good thing, even if she wanted to tell Mikaela everything just because she knew it would piss him off. "Well, he helped me pilot-- he could take over piloting when I needed to aim, he helped regulate some other stuff, too! It's pretty technical," she said, waving a hand vaguely, mainly because she didn't feel like explaining GN particles. "All sorts of communications and hacking, we can do that, too! The TARDIS totally fried him once."