[In truth, he's a bit surprised that Seteth's warmed up to the professor so quickly. Byleth is an unknown, and someone who comes off as almost creepy in terms of how little they seem to feel. But this may be a good thing; perhaps Seteth isn't nearly as much of a threat as Hubert first assumed.

Of course, this is coming from Flayn, so there's no telling how much of it is truthful.]

It sounds as though you've been enjoying it so far.

[She seems genuine, of course. He can't tell if it's an act or if she truly is this flighty. It's best not to assume anything for now.]

You seem to be fitting in well. Our classmates are very fond of you.

[It's not a lie, the others are very happy to have Flayn join them.]