Derek growled, softly, dangerously, against Stiles' throat. It was the right answer, technically, but it wasn't the answer that he wanted to hear.
"Would you respond like this for anyone in the pack?" he challenged. "Would you go down on your knees for my packmates and serve them?" An image flashed before his eyes--Stiles and Isaac, the boy making good use of his mouth as Isaac writhed, unused to the pleasure of being served himself.