"...I don't think I've heard that language before. What's it called?"

He is absolutely serious, he genuinely thinks Adelaide is speaking an actual language that consists of cooing and fawning over a fat baby animal. If this does not illustrate just how devoid of joy his life has been until now, very little will. He just stares with his narrow dark eyes expecting an answer to his question.

While rubbing Indrik behind the ear, of course.