He lay back on the bed, his head on the pillow, feeling rather nervous about what was to come. He felt John's hand along his leg, and the warmth from his body heat nearby. Sherlock was surprised by John's sudden admission.
"Really?" he asked. "How...how long for? I mean...how long have you...?" He trailed off, hoping John could interpret his meaning without having to continue.
Then he wrapped an arm around John's shoulder and ran his fingers down the middle of his spine. "I guess we'll have to take some clothes off," he commented.