"Exactly!" He agrees, also nodding. Thankfully, Europe was full of non-English speakers and so he's not had to deal with too many jerks demanding he speak better English.

Though that makes him look thoughtful. His head tilts up. "Gee, I... that's a good question. We'd probably need some kind of idiom dictionary in both our languages."
And a lot of free time.

He glances back into the library book shelves behind him.