Emery watched Trenton's eyes practically grow younger before his own and swallowed. "I- well, yes. I have heard of it. It's rare. Extraordinarily rare. The closest I have ever come to it, p-personally, has been through means of fiction, and is sometimes the very thing that most doctors and scientists try to prove as just that." Then again, Emery wasn't most doctors and scientists.
"May I see where you were stabbed? If you feel comfortable enough showing me, of course. I wouldn't want you to do anything that made you feel the opposite." He nodded politely, offering his hand back in the direction of the couch.