That question is best discussed with your medical team.
Have you read the booklet on Hormone Therapy? Links within this link
https://www.bcna.org.au/metastatic-breast-cancer/treatment/hormone-therapy/https://www.bcna.org.au/webcasts-new/hormone-blocking-therapy-is-it-worth-it/Certainly do your research- as long as you are comfortable in yourself with your decision