Worst case scenario was that Mr. Stark actually was on the verge of a panic attack every time he was around Peter, and he was just forcing himself to do it for Peter's sake anyway because he'd meant it when he said whatever you want to a degree that Peter found both gripping and terrifying to look at directly, and Peter was being the worst kind of selfish by hanging around anyway. - ch 5
from chapters [1], [2], [3], [5], [7], and [9] of You're Not Yet Done by @ursafootprints