Gladio was of the same mind as Ignis about this. The responsible thibg to do would be to introduce him right away, but Gladio doesn't know if he could deal with the thought of all those eyes on his mate like that. Now the next night, when Ignis has his marks and scent on him, and Gladio the same...

"It's what I was thinking."

He crosses the kitchen to him, bringing a hand up to drag his fingers over the man's cheek. Aware he was being looked at, that he pulls his shoulders back and flexes to show off as his thumb traces those pretty lips.

"Besides, I want your first full moon to go perfect. I might make a scene if someone does something again."