[She was sad. Elsa ended up hearing a lot more about her neglectful brother than she'd signed up for. She doesn't feel at a liberty to give all of that away, however - especially when she doesn't know this man's connection to Yuuki. She knows she wouldn't want her vulnerable moments discussed, anyway.
A moment's pause while she considers how to respond.] I believe being here has to be a strain on mostly anyone, but she was well enough, I think. We only spoke for so long. [Even if Yuuki managed to cover a lot of feelings in that short time.]