Getting regular bm (bowel mvt) is mandatory. Magnesium supplement will help get them naturally. A spoonful of olive oil at bed time, enemas, senne (natural laxative), abdominal exercises are otehr tips.
Exercise is important. DOnt worry too much about performance (of your old self) keep at it and train your body to fight better.
You say "I feel lonely and antisocial." Do you have a regular B complex supplement? Eating less grain can cause a vit B deficiency.
Help me help you and telle me:
Do you have painin your guts?
Which antifungal are you using?
What are you die-offf symptoms?
Do you eat extra protein?
A parasite clease is a good idea. Candida is closely associates to them and to yeast/bacteria overgrowth.