In depression, you're flattened. Your energy level is gone. When I'm anxious, I tend to have more energy. But it depends on the nature of the anxiety. The anxiety to finish something would seem to be more productive than the anxiety that says, "You're feeling sick. "
It is my firm conviction that man has nothing to gain, emotionally or otherwise, by adhering to a falsehood, regardless of how comfortable or sacred that falsehood may appear.