My urine sample test is clear, then what is the cause for incomplete voiding, difficulty ejaculating and prostate burning? urologist says u r normal

Good start: You also list ED. At your age, if you're not getting throbbing erections with your favorite pictures / fantasy stuff, there's an organic cause your general internist can seek (prolactinoma, hemochromatosis, others). Eliminate spices from your diet (even little hot peppers), get a good physical exam and labs from your personal physician. Late ejaculation can be functional, ask about yohimbine.