Aaron's eyes grew wide, not even sure where to go with that. There were so many possible things he could say to that shiner, but none of them seemed appropriate, which was odd, since he didn't usually take appropriateness into consideration. But there was a first time for everything.
"Um. What... Happened?" He asked, figuring concern was the best road to take. And honestly, how could he not be? It looked pretty fresh and pretty painful.