He nodded at her question, trying to get the words out, but that was futile. Moving faster as she asked, however, Stefan groaned a bit louder, tightening his grip on her waist. He wasn't being gentle by any means, but he was still keeping himself from being reckless. He didn't want to actually hurt her.
He kissed her roughly before tugging her hair with the hand that he was mostly using to prop himself against the wall. "Fucking... hard to keep this speed, though..."