She let's out a sound that's close to a moan as his lips trail over her neck. She's sensitive there in general, but the fact that it's Sherlock's lips pressing against her, takes it to a whole other level.

"Sherlock," she whispers.

She doesn't want to put a stop to what's happening, but she feels like before this goes any further that they need to just check in before she's totally at the mercy of her hormones.