“Was-” Dedue is about to ask if it was Daisy (unfortunately Fever doesn’t even cross his mind), but then he realizes it’s a moot point.

“No. You would not tell me,” he sighs and shakes his head.

It’s not as bad as his initial worry, that the scar itself was caused by the infestation. Still, it does not sound like a pleasant experience.

Finally, he admits in a quiet tone, “I had to do something similar, to escape Arcadia.”