I imagine more people will be wanting to learn and practice in the future.

(Once Edelgard's war is over and Fodlan's locket is inevitably torn down, there will be a need for people who can communicate with both sides. There's already a budding interest in Almyra within certain circles and if he can foster those and help them grow, he'll be better prepared on his side when he's ready to make his return.)

It's easier when both sides want to communicate or have some other motivation. (Like wanting to understand the enemy's commands so you can react accordingly but hey, it still counts. He won't begrudge the soldiers that made the effort.) What do you want to talk about?

(He tilts his head slightly to one side. He might have agreed to take Flayn under his protection but the truth is... he really doesn't know much about her. They didn't interact much when they were students and even then... well, he would say the two of them were probably among the school's more curious mysteries.)

We never talked much before.