Sherlock lifted an eyebrow, observing in silence as she sniffed the air. It was animal-like. Without answering her question, he pushed his test tubes off to the side and started to pull the gloves from his hands. He'd replace them before he examined her teeth, and wash up in between. At home, he was slovenly, but in the lab he was fastidious.
He walked over to the sink. "So... tell me about your dreams." To say Sherlock was not one to waste time was an understatement. Besides, he's already deduced more about her home life and childhood than he was comfortable knowing.