Dermofat Graft or Autologous Rhinoplasty to rectify flat nose bridge and droopy nasal tip - permanent results? (photo)

Hi, Doc, Does Dermafat Graft treatment to improve nose (To rectify flat nose bridge & droopy nasal tip) gives permanent result for the lifetime?. Post-operation of 1 or 2 months, Can I do Gym freely without any restrictions? One last is when can I resume my office work? , post dermal fat graft operation. How's about the Autologous fat area quality post-extraction.