"I'm not sure which instance you're referring to." Becuase, for all that he wasn't quite human, Ryuuko actually did know what he was doing to them. When he still chose to do what he did, it was because it made the most sense, even if it meant hurting himself or others.

"But I've never made my decisions lightly." There was a flicker of sadness and regret in his eyes, but his voice was firm. "I did what I had to."