Donna nodded. "You're a lot like the Doctor, in that way. I think half the time he plays around and acts like such a kid because otherwise he'd have to think about- well, being 904. A lot happens in 900 years, not all of it pleasant." She looked down, biting her lip. "Not most of it, I should think. And that's why you'd need friends."
"I was headed to a couple different offices to look for work. And I'm not sure which bank would change currency that foreign. Where are you staying?"