.. totally agree.
But what about your fluid intake?
A natural reaction to frequency is cutting down on fluids - but that's the worst thing you could do, as concentrated urine is an irritant, and makes it all worse.
Are you overweight, and has your doctor taken blood for a fasting blood sugar?
At your age, a prostate issue is extremely unlikely, but not impossible - if there's a family history of PCa, then the chances will be significantly higher.