Wow, they taught you a lot! But I guess you had to learn a bit about Strahta since you moved there from Lhant. It all sounds pretty useful! What does rigorous mean?

[She figures it means 'hard' or something along those lines with the context, but she isn't sure she's heard the word before. And Sophie notes he doesn't mention missing his family. But he probably didn't want to talk about it, so she won't push.]