why is there always something wrong with my vagina?

hello!!!! im 16 years old and theres always something wrong with my vagina!!!! i think i am prone to yeast infections. i cant remember the last time i HAVENT had a sort of chunky discharge. ive tried literally everything and im starting to lose hope. ive cut out sugars, ive cut out dairy, im vegetarian so i dont eat any meat, i dont wash my vagina with anything but water i drink tonssss of water. and i avoid baths and only wear cotton underwear. but always my vagina has a sort of unpleasant odor and chunky cottage cheese like discharge. im around the age where im going to be sexually active but i CANNOT do that with this issue.  can anyone help me? im desperate for a fix and as you know you cant see a gynecologist until youre 21. someone please help me:((( im miserable