[If Nyx thinks anything, it might not do him any good to know that Ignis might just pick up on it. Brisk exterior regarding blood ties aside, he's a rather attentive sort!]

You serve the Crown. Beside that, you've helped me on a personal level with my training. Should I not be?

[He overtakes a van.]

If attempting to repay you is starting to concern you, you need only say. I thought something like this more effectual than coffee. Particularly as you don't seem like you have a car yourself.

[Every spare gil going to family, and all. He overtakes another few cars, before shifting into another lane.]