From now until the end, parts of your body will become defective or break, and the supply of fixes and spare parts is limited. You won't be able to fix everything, even with surgery, and will have to learn to adapt to the new reality of the limitations your body imposes on you. The older you get, the more it happens. Sorry to be the bearer of bad news.
No surprise here. My knees have been getting worse and worse over the years. My eyes aren't anything like they used to be. My right shoulder is pretty rough. Definitely no thoughts of my being invincible. I was just hoping that my ears wouldn't take such a sudden drop in hearing.