Unease doesn't make any particularly nuanced sounds. Not so profound as to alter a heart beat, or any other number of internal chemical responses that Clark could attach emotional meaning to. But he also doesn't need those things, sense of the hesitancy in his voice, see the shadow of it cross subtle behind his even subtler expression.

Maybe another time, then, if Clark can pitch it in a way that doesn't sound like literal torture. Maybe talk to Vic about it, do his own homework.

But Clark's attention shifts, and there's a flicker—not quite guilt. Not quite the same as Bruce's unease. He asks, "What does that mean?"