Yes, the plan is to be on it for 5 years. I am not loving how I feel while taking it. My providers don't have strong feelings about me being on it as my area was so small and I also had radiation. So, I plod along, but may decide to quit. My major symptoms are fatigue, poor sleep, and generally just not feeling great. I worry about bone loss, lipid, cardiac issues etc. over time. Everyone is so different in how they tolerate these meds. I hope it goes well for you if you decide to go on them.