Not mad. Steve might have questioned those words if it weren't for Bucky's kisses. Eager as they were, they were also genuine. The sort of kisses he wouldn't give if he were secretly upset.
So Steve would let the subject of Tony slide for now. They'd circle back around to it in the future. He knew they would. But the truth was out. Everything he needed to tell Bucky was already off his chest. And since he had nothing more to say on the matter, maybe they should stop talking and start taking more clothes off.
"The floor doesn't sound so bad," he spoke, brushing the tips of their noses together. His fingers crept past that final layer of fabric, curling around Bucky's cock and stroking him. The blonde's hips were back into motion, rocking up against his boyfriend's body. Which was relieving.. for a moment. But after a few seconds, Steve became frustrated. If he kept this up, he was going to make a mess of his pants. And he'd much, much rather be making a mess of the handsome man on top of him.
"Bucky.. Can we - ah - I want you.." There wasn't a direct question in there, but Steve was asking for permission. And possibly, for Bucky to de-robe.. Or Steve could do that for him. "I want - I want to be inside you -"