He resists the urge to snap out an equally petulant response to that. Jay's got good reason to be pissed; the last thing you need in the wake of some Mirror messing with your head is a simple mistake to ruin any possibility of knowing what, exactly, actually happened.

"Look, that's not on you."

(He is a liar.)

"I mean..." Try to revise. Try to be better. "You messed up, but it happens. We're just gonna have to figure things out on our own. We've done it before, right?"