[ Trahearne is, well--not exactly surprised to be proven wrong, but a smile does cross his face as the answer comes to him and he watches the exchange.

He offers Ori chuckle as she apologizes. With a tilt of his head, his smile widens at her. ]

No need to apologise. I feel now as though I've learned more than if I'd gotten it right.

[ Like, for example, the name of Colin's sister.

Speaking of, he turns back to Colin, the smile on his face taking on a slightly different hue. ]

Four years, though. That's not an insignificant amount of time. I take it you two know each other well.

[ And he looks back at Ori. Ori. ]