He really hated it when she was right; she was most often right exactly when he most didn't want her to be. Which was, of course, why he hired her, because she was one of the bare few people who could and would call him on faulty math or decisions. He didn't have to listen to her, but she'd just keep pushing until he shut up and came around to her way of thinking.
He wanted to ignore her now, and almost did; there was the harbor to be concerned about, and JARVIS had finished running the calculations for the effect on the ecosystem - local and broader - and was asking for additional input into the calculations to extrapolate the effect on everyone who happened to live in those ecosystems. He absolutely did not have time to listen to his body, and so shut it out of his mind.
But then Pepper used that quiet tone, and he was halfway to the tower anyways, and from there it was a short hop to the harbor. "To the minute," he said, and banked hard to swing onto the landing platform of his penthouse, landing hard.
Maybe she was right, because standing up felt like it took forever, the armor heavy all around him, dragging him down: he was reminded of the Black Sabbath song. But he managed to walk into the kitchen, flipping up the visor as he did. "Thirteen minutes."