The rhythm of Damon's hips was already shifting Elena's shorts down over hips, as they were obviously loose fitting. He glance down, and bit back the urge to swear, once he realized they were Stefan's. It aroused and angered him at the same time, that she was wearing his clothes, although the looseness seemed to coming in handy. His finger left Elena's breast to trail over her side, and hook into her waistband.