He waited in silence as the other seemed to ponder something that was beyond Noct's scope of understanding. Even with having died and all that time passing there were still things and people he would never understand, Kuja being one of them.

Finally (and it had seemed like a really long while to wait in silence from one so verbose as his companion) the other spoke and Noct looked over at him with a smile on his face. And here he figured he would've gotten a verbal beating or something, but he didn't. So the king was going to run with this.

With a shake of the head, Noctis looked right at Kuja with his words coming out conversationally. "Maybe you didn't hear me that night because you were too busy walking away. But I told you that I'm on your side and I have your back."