Caspar raises an eyebrow at the tactful but surprisingly revealing answer. Adia had mentioned that Abysa was as displeased with the scholar's pre-Nexus antics as she was. It makes sense that he wouldn't want to get into it every time he opened his mouth.

"Have you thought getting a digital voice recorder? You could at least get your thoughts out verbally and transcribe it once your sight is back."

As soon as the words leave his mouth, he feels immediate regret. Did he forget that he's not trying to help? Ugh. It must be the sight of the cat. It's making him soft.