[That's not at all what he's expecting, but somehow he'd forgotten in the time he hadn't seen him how impossible it is to keep Tony on topic. He's no less exasperated, but he's a bit tolerantly amused as he points out,] It's lasted me several thousand miles and across dimensions without dying. It's not going to stroke out.

Behind you. [The table behind him has a toolbox on it, much less beat up than the laptop because Bruce had gotten it here. It's a fairly elaborate one, not large but packed with drawers and just as organized as the rest of the lab-- not obsessively, but perfunctorily.] Just don't lose my files. [It's almost a mild joke, the likelihood of Tony losing anyone's files is so small.

He goes back to poking at the suit, making mental notes as he goes.] Metaphysical as in accessing other planes of existence.