[And all of that sentiment is sweet, yes, but Nyx just gives him a look. Maybe a little patronizing, definitely clearly expressing that Regis is being an idiot, a soft snort of amusement as he shakes his head.]

I've always been my own person, don't start that. I'm not one of your retainers, raised in servitude to the crown.

[A bit of an eye roll. He thinks that's bullshit, sir. It's great that Ignis is so dedicated to Noctis and that Gladio learns that loyalty but that's a great way to make those closest to you resent the fuck out of you in his mind.]

I chose to do this, to be your Glaive. And until you, Regis, tell me to leave you, and make a damn convincing argument of it, you're stuck with me.

[Sure did just curse in front of the King. Oops?]