The malfunction. Winter mouth closes tight, a firm line, as he tries to prod at his own reactions. He doesn't really understand it yet himself, but he make an attempt at putting words to the feeling, because it's Yelena asking. "It wasn't a current threat. It was. It was. Wrong. Turning something good and soft into something cruel and painful. It was wrong."

He didn't do it. He wasn't behind those sheep. He didn't twist them into those unnatural, biting things. So why did looking at them, thinking that thought, make him feel like it was his fault somehow?