The smile dimmed, though didn't disappear entirely. Hestia had dared to broach the topic of their mutual discovery of one another's opposing loyalties. Which was a flagrant understatement. It was probably more accurate to say that, had this conversation been more secluded, it would have been a high-stakes duel.
In all, Argus was amused. It was so rare to have an opportunity to converse, civilly, with one's enemy. Never mind that he fleetingly wondered what it would be like to cast the Cruciatus on her.
"It's not usually their recovery I'm interested in." He said this as though he were commenting on the latest Quidditch stats. "But how nice of you to be there to pick up where I leave off."