"Ah, don't worry about it!" Latvia responded in a fretful manner. "I would have worried even if you hadn't brought it up..."

He really didn't want to make her feel bad. Somehow he felt like he'd gotten himself stuck in a conversation neither of them wanted to be in. Again he tried to change the subject. Maybe it would be better to excuse himself...
"S-so! Uh... Do you like reading? I really like reading, I was surprised to find such a big library here! What kinds of books do you like?"