[ And it's that similar look of abject distress that gives him away, to be honest. Jack's never shown that kind of fear to anyone. Not anyone that Tim can think of, anyhow.

Strangely (and maybe a bit cruelly, in a way), Rhys's fever pitch does something to lower his own internal temperature. Maybe he's just relieved; he's gotten as far as Rhys asking follow up questions, which usually means his risk of being attacked has reduced by about half.

He raises his hands in front of him, palms to Rhys. ]

My name's Timothy. I'm one of Jack's Doppelgangers. Was. [ He hesitates. ] The Doppelganger, if you wanna get technical, which I kinda... don't.

[ Ruefully: ]

Now that Jack's dead, I just look like this.