Your mother won't let you eat only meat and green vegetables?
One diflucan pill won't do anything for you. Matter of fact, diflucan for weeks did nothing for me. I had better luck with the natural antifungals.
You need to start--at a bare minimum--trying things like oil of oregano, GSE, olive leaf extract, and Candex (especially). All of those are sold right at your local Vitamin Shoppe. Also you need to start drinking homemade kefir of some form. I would be shocked if you did not see an improvement after taking those steps.
There are 16 year olds out there sniffing coke and having orgies, don't tell me you aren't able to hide some supplements from your parents.