Everyone IS different. My husband is 14 yrs out from diagnosis. Metastasis to bones started a few years ago. Oral chemo worked for about 18 months. He had decided he would not go thru conventional chemo. I have supported him in that decision even though it could add several years to his life. Quality of life is more important. (This is my 2nd journey with a husband with prostate cancer. My ex had it 30+ yrs ago.) I can assure you that new treatments & medications are being developed all the time. Even in the 14 years of my husband’s journey we are finding new treatments that weren’t available a few years ago. At time of his original diagnosis he also was given 4-5 years. Or more correctly we were told that’s the “average” time from diagnosis to demise. It is a wake up call to get life in order & decide how to spend remaining years. But many exceed that number of years. Don’t give up hope!