There's a slight raise to his eyebrows, but he mostly bears all and any poking with some amount of grace. Or, maybe, just the acknowledgement that he did in fact wait six months to fuck around and find out what the shape of this conversation would be.

There's the feeling of metal, or plastic, or something hard just beneath the surface of the skin — not unexpected, probably, from appearances.

"Nothing that I've noticed." And then he points out, "If there were symptoms, I wouldn't have come to you first."

A healer would make more sense, after all. There's the implication that he might not have said anything, to Tony, in that situation; and if he's noticed that, he doesn't try to deny it.