How To Avoid Recurrence Of Vaginal Cuff Granulation Tissue?

I am 58 years old, 5 8 and 170 pounds. I had a DaVinci hysterectomy 3 months ago and have some vaginal cuff granulation tissue. I have had two silver nitrate treatments, two weeks apart. My GYN said to wait two more weeks to have sex. That is fine, but my question is- what else can I do to avoid the tissue coming back? I asked her if it was OK to do my Yoga or long walks and she said that is OK. It seems the light pink spotting (which I assume is a sign of granulation returning) comes back after a long walk. I m tempted not to do my walks now just to see if I can heal better. What do you think of exercise when trying to prevent the return of the tissue?