Jenna-Louise Coleman is the new Dr. Who companion. Notice throughout most of this BBC interview, despite being an accomplished actress and accustomed to being in front of the camera, Ms. Coleman was holding and fidgeting with her necklace pendant. This nonverbal is similar to people self-touching on or near the area of the manubrium (upper portion of the sternum) in the top-central chest. It is performed with the tips of the fingers and thumb, and not with the palm of the hand (this has a different meaning). This necklace play/manubrial-touch is a very common body language tell for increased anxiety.
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