Dustin wants to continue debating, but he ends up going mercifully silent under Gladio's ministrations, breath coming in little, pained huffs as he pokes and prods his way into a diagnosis.

"...Just the one," he mumbles, blinking a couple involuntary tears out of his eyes. "Long time ago. Maybe it'll heal better this time."

If he leaves it the way it is? Probably not, but that sounds like a problem for Future Dustin.