"Ill?" his eyes widen as his mouth hangs open slightly. He teeters now, no longer so unnaturally poised, and flicks his eyes to the ground. "No," he continues in a muted tone. "I've not been ill before. I... suppose that's inevitable."

His voice trails off, and he is silent for a moment. Inwardly, the realization that he has more than injury to fear chills him. "Before... the Change, I was able to run my own diagnostic to self-check my systems. I was incapable of feeling pain, of becoming diseased or infected..."