Karkat answers with a neutral 'mm' sound. "You seemed like it, when I first saw you."

He's still not sure he deserves to be, but he's resigned himself that it's not really his place to complain. That woman isn't the only one who died helping him, but he's not looking to bring Terezi up if he doesn't need to.

Instead, he nods to her, and turns to head forward. "I don't like sticking in one place long, anyway. Keep your eyes peeled." His own gaze turns back to their surroundings, watching, listening. His pace is slow - part in case her own is, part because of his aching body, and part again because it's safer. Running is for escape, to be reserved for when it's really needed. Slowness allows more attention to what's near and conserves energy.