[Jim's smile shifted to a nasty frown and he took several strides to stand right in front of Conan, making sure he was firmly between the brat and the door still.]

What did I say about lying and being boring? [He snapped loudly, crouching just long enough to get long fingers wrapped around a small throat and squeezing much too tightly]

You'll have to do better than that if you want to make it back to dear Sherlock in a single piece.