"Astounding...?" he repeated, a little uncertainly. He shook his head, slightly. Maybe one day he'd get used to being praised, or be used to someone thinking he was special. Apparently today wasn't the day.

"I'm a stealth model," he said. "I was made to be unnoticed. I'm not meant to be seen."

He didn't know how to answer anything about his materials. He'd never really questioned it. Or found out that information before.