Matt's jaw clenches, so tightly the tip of his tooth feels as though it may chip off. He stares at Elena as if he can't quite believe what he's hearing. He knows Stefan came back and he was different, but this?

"He what?" Matt asks, in a barely controlled voice. There's the urge to find Stefan and do -- do what, Matt? He's a vampire. He could break you in half before you even began to catch up with him. The anger surges within him, anyway.

"Why the hell would he do something like that?"