It doesn't matter how long it is or not. It was the doctor's recommendation, and I think he had reason to prescribe that length of time. We don't know how bad the joint really is or how long it needs to heal. When I dislocated my shoulder, my doctor advised me not to put any weight on it for at least half a year. However, I still had to wear a brace of this type
https://remaininthegame.ca/product-category/orthopedic-bracing-support/ankle-brace-support/ for another year when I was doing sports and repairs at home to not damage my shoulder again. The joints are much more fragile than they look. It is better to go back to your doctor and check. Maybe your ankle really is okay. Please don't self-medicate.
