Anxiety is also dysfunctional if it is causing physical tension in the body, or if it is generated by a constant stream of self-criticism, which can be self-fulfilling.
Mr Gabriele's body language in court sometimes betrayed tension, and when Monsignor Gaenswein - Pope Benedict's private secretary and his immediate superior - was giving evidence, the two mens' eyes never met.
That technology not only lets you see how the clothes will look on your body, but also provides a tension heat map to see precisely where an item fits too loosely or too tightly.