Gladio sighed behind him at that grumble, nuzzling him with his face, much more elongated into a snout now that he has transformed. A happy rumble escapes him, and it takes a lot of concerntration to speak instead of growl, but he does it for Ignis.

"Ready to get clean, my mate?"

Although Gladio isn't moving either, in fact his arms wrap around Ignis' hips, keeping him close and warm both, more than happy to stay in him.