My wife has eaten meat 3x per day and its really helped her health woes. He’s not asking for large portions of meat, but for small portions. If you have a problem with this maybe discuss it with him.
As far as the mold is concerned, I think it not only destroys your immune system but it also directly feeds the yeast. You’re inhaling the stuff 24 hours a day and absorbing it in your skin (where candida lives also), swallowing it when you eat and drink…its gotta be going into your body.