All your shoulda, woulda, coulda is condescending with a superior than though attitude. Although some of your "advice" may (and may not) be true and a lot personal opp opinion, maybe when YOU are older you will understand that advice like that after the fact is unnecessary and really does nothing for ones current situation.
It is eally important to go an see your doctor. I had a yeast infection before and my doctor recommended me an antibiotic and required. Me to stop using tampon