Vincent also feels like he should have guessed. Sure, the chances were so astronomical that no one would blame them, but Robin has an incredible talent for being at the center of all kinds of crazy bullshit like this. For all Vincent knows, Irahl being here is somehow Robin's fault anyway.

He takes his hands away from his face to give that question a moment of thought--he's just second-guessing whether Irahl knows what he thinks he might know. And if it matters if Irahl knows. He doesn't think it matters, but this kind of stuff is so far above him that it's hard to really feel confident.

"You mean with the...?" And he kind of... Pulls his fingers apart like he's stretching something. He's not sure what to call it, even if Robin may have once explained. "Yeah, we were introduced like that. Known him about two... Maybe two and a half years."