She was testing boundaries, kissing down his chest to his stomach. She repositioned herself so she could begin to remove his trousers, agonisingly slowly. Of course it meant she had to give up her hold on his wrists, but to make sure he understood he had to stay still, she whispered, "don't move," to him.
With his trousers discarded, she trailed her tongue up his thigh and raked her nails down his sides. Then, to see what he would say, she said, "what would you do to me if I stopped right now?"