I really had no knowledge of my prostate as long as everything was working normally. However, in my early forties I had a incidence of urinary blockage after taking an "over the counter" cold medication. This was checked out by the medical experts who assured me that my prostate was large for my age but felt normal. This however was an indication that I should, at my wife's prompting get yearly medical exams including the dreaded "digital rectal exam"! The verdict each time was "large but feels normal".