"No, you're not." Though it was meant to be a joke, things were a bit too serious for it to come out quite right. He wasn't mad if Gladio and Ignis wanted to kiss or whatever. He was just worried.

"You know I support you guys in whatever makes you happy. And keeps you safe."

He wasn't just going to shelve his apprehensions about Ardyn just because Iggy had somehow fallen for him. He'd still be wary, and protect Iggy if he needed to.