I've never taken a scalpel to a dead body.
Do no harm & leave the world a better place than you found it.
You can't cure a chipped plate. All you can do is live with it or throw it out.
I dropped chemistry. I practically blew up the lab in college.
Botox not only helps with wrinkles, it actually makes you feel more relaxed as frowning causes tension.
The biggest risk with a series that goes on this long is that you'll get bored with the character.