I hate that you're going through such a rough time.
I'm wondering what you've been doing to get rid of the toxins that have been accumulating in your system. Vitamin C helps but there should be more. Activated Charcoal has been a lifesaver for me and it bring immediate relief to symptoms that have been dragging me down.
I think the toxic burden your body is under contributes greatly to dark moods.
Also, maybe changing the tactics of dealing with the fungus is in order. Here's an article on biofilms which may help. I like it because it deemphasizes diet, which I think is not a very effective way to kill and emphasizes a four part cycle of:
4.Repopulate with good guys - using Resistant Starch