If my nose piercing falls out before it's fully healed, I’d gently clean the area with saline solution to avoid any infection. I’d then try to reinsert the earring carefully, making sure my hands are clean. If it’s giving me trouble, I wouldn’t force it. Instead, I’d consider heading to a professional piercer. Keeping an eye on any signs of infection is key during this healing process. Also, I'd avoid touching or playing with it too much. Patience is vital to ensure it heals properly.