He waved off the rest of the explanation with his hand. It wasn't important how he knew, only that he did. Simply by looking into Augustus" countenance, she could see how worried he was about the development. His experiences with Greyback in the years before he was essentially exiled to France hadn't been terribly positive. He couldn't have known her personal relationship with the fiend. For the most part, they were fairly discreet in their affair. Some knew, of course, but it wasn't widely known.