Have you ever heard of "meta-emotions"? It's a real thing. It's what happens when we add another dimension, another level, to our original condition. For example, fear of being afraid. You need to read this if you suffer from any mood disorder.
rumination
Reasons to NOT make your depression worse.
Sometimes we make our depression worse by talking about it too much. There is a fine line between sharing your depression and reinforcing your depression.
The gift of depression 