The touch to his face was intimate too, trusting. Stiles trusted him not to hurt when his control was at his weakest, but he was also right. He'd never hurt his mate, not while they were here, and not while they were anywhere else either.
"Won't," he promised. At least he wouldn't hold back once Stiles came, something that was getting harder to do with every clench of muscles around him, every sound that poured sweetly out of his mate.
Derek could listen to him all day and he'd never get tired of that, or the little rock up Stiles gave, how his body opened for him. "Will, will, God, baby, I will," he growled out and his control snapped with that little sob, the hot tight clench of his muscles, the sudden scent in the air of Stiles' orgasm.
He growled, possessive and feral as he tried to draw back again, knot catching this time and trying to pull it out -- no, that'd hurt them both --he let out another growl, this one of sheer satisfaction and rocked in, fangs dropping as he edged his growing knot against his prostate.
He could feel the pleasure curling up his toes, into his calves and up the backs of his thighs. "Going to, going to," he said around a mouth full of teeth, hips hunching forward, less interested in long strokes that pulled him out and far more intent on short ones that kept him buried deep.
He pressed his face into the side of his neck, sucking in Stiles scent loud enough that every inhale was heard as pleasure coiled up his spine and sparked in his balls, and he gasped out the one thing he could remember Stiles wanted to hear. "Mieczyslaw--"
And then he was roaring, thrusting in hard enough to move them both across the bed as he came, knot swelling up full and thick as he did his best to fill Stiles up with his come, to breed him full and true -- and growled as the plug inside him rubbed up right against his prostate and kept him coming until his balls and thighs were sore and he finally stilled, his body still curled over his mate's.