I m a 59 year old white male, I lost my kidneys 7 yrs ago, I ve had 1 transplant that felled last yr. Since then I ve been on home dialysis. Now my wife and I just had sex after about a year and a half with out having no sex. But I still get piss hard on s, although I don t pee, but we though, lets give it a try! she had a great orgasm, but i had none, no felling and no cum. my question is why can t I cum anymore?