I was a Gleason 8 and had external beam radiation and brachytherapy followed by eighteen months of ADT. The ADT kills your sex life, period. I finally came off it this past October. I am able to get erections on my own, but nothing like I used to. I have not tried any ED meds. I am unable to ejaculate, which honestly makes me unwilling to attempt sexual relations. Prostate cancer, simply put, has ruined my sex life. I went from extremely active to nothing. It has changed my whole outlook on life and left me quite bitter. No one told me this was coming. Oncologists should at least prepare their patients for the bleakness that follows "successful" treatment.