Warnings are always appreciated, when they're available. [The airy concession is a bit dry too, but he's taking in the various signs of sincere distress on Sans's part and accepting them as truth. Panicked accident, not a sudden violent hatred of machines, okay.

...He flags that fearful theory as something to examine later, and mutes it for now, because it's unpleasant and surely entirely unnecessary! And a moment of fresh fear isn't the moment to unpack it, anyway.]

I guess I should ask. It was just the TV whispering? And, not all machines. Like, not your phone? [Or Papyrus's own digital voice, whichever speakers it happens to be emerging from at the time, more importantly.]