[...He's quiet for a moment. Perhaps for beginning to speak and then biting his tongue to consider. They're very quick questions, Kaworu. It's not something he bats an eye at telling—

But the why gives him such pause. Stubborn. Needs to connect.]

... I'm sorry, I don't understand. [Softly said though, not an accusation.]

If you want to understand people—

[Shaking his head a little as if to clear it. That's such a weird statement still.] Why like that? [He likes you but] I'm a stranger to you.

Just asking questions like that doesn't seem the way to get to know anyone. Not humans.