Derek had suspected, but it still stung to hear it. He'd taken advantage of Stiles wanting comfort, let his fantasies overrule his better judgment. He was an idiot.
He sighed and shook his head. "I'm not happy. Your duties are to me first," he added, pointedly. "You don't get to decide what duties you're going to fulfill and which ones you're going to ignore without consequences, Stiles. You're not autonomous here. I thought you finally realized that, but apparently I was mistaken."