The boy's best efforts went unnoticed as Derek's hand paused.
"...how young are you?" he asked, carefully. "Did you lie to the auction house? I'm pretty sure the papers I signed said you were a legal adult." He sat up, frowning, and tilted the boy's face up to his. "This is important, Stiles," he said, quietly. "Consent is important. Don't lie to me. How young are you?"