Wei Wuxian blinks, letting one hand fall away from his nephew's shoulder while the other stays in place for steading purposes. The Voidtrecker Express's current fluctuations are disorienting, and he suspects this is in part related, but still.

"Yet you were trying to run away now, ah? I see, I see, that's what this voidtrain venturing into the great unknown is causing today..."

Which is partly a tease, along with an observation he's piecing together as the effects of this particular journey toward the... not the void, obviously, but the hole within it? How does he describe the anomaly they're investigating. That has been having increasing effects since the day before.