Also, while I agree with @PattiJ about living your life, I think it's worth pointing out that there is a link between exercise and recurrence. Studies have shown that you reduce your chance of recurrence with consistent regular exercise.
https://womhealth.org.au/conditions-and-treatments/study-finds-exercise-reduces-breast-cancer-recurrenceAlcohol consumption has also been linked to breast cancer recurrence, though not as conclusively.
https://www.cancervic.org.au/about/media-releases/2017-media-releases/may-2017/moderate-drinking-may-increase-risk-of-breast-cancer-returning.htmlLots of other articles are a quick Google away.
