"Yes, ma'am," he teases, with a quiet laugh. "I'll do my best." Even as he says it, he tangles his fingers in her hair and tilts her head just a little further, then works his way slowly and deliberately along her ear, teasing with lips and tongue and teeth, paying close attention to how she responds before he presses a kiss to the delicate skin just behind her earlobe and draws on it with his mouth.