Derek's expression was fond, his eyes soft as he watched Isaac arch into his touch, responsive like he couldn't help himself, but his brow furrowed again, his mouth a tight frown as he considered the younger werewolf's response. It wasn't a lie. Isaac knew better than to lie to a werewolf, much less lie to Derek.
"If you're sure," he murmured, fingers lightly combing through Isaac's curls. "You're not just an errand boy. You're important to me, and I don't mind accommodating you."