[Odd, when Ignis usually chooses to speak 'face-to-face' (so to speak), but perhaps the peculiar unsteadiness in his voice gives enough of a clue as to why he might be choosing not to use video this time.]

Ah... Nick. [He pauses, as if he's momentarily forgotten why he called, then clears his throat softly and continues.] I'm afraid I'm going to have to request a few days off duty. I'm not... [Another uncharacteristic trailing off, and he falls silent for a few moments.]

I don't feel I can give my best to the Guard at present. Or... close to half of my best. [Which might have even been enough. He almost seems to laugh, here. He's been hiding it so, so well, but the last few days have made it clear to him that he can't continue doing so.] I apologise. I know it's an inconvenient time.