"I know I can't," Stiles said trying to breath and think and control Isaac all at once but it was becoming harder. He didn't know how Derek did it. "You beg like a pretty little slut. No wonder Derek likes to keep you plugged."
Needing more and wanting to give Isaac what he wanted. Stiles held onto Isaac and pushed him back at the same time so Isaac landed on his back and Stiles was on top of him, between his legs and still inside of him.
Stiles thrust all the way to his balls and groaned, pressing his face to Isaac's neck. "Fuck!"