system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 Why Spinal Injuries (Even Minor Ones) Are Next To Impossible To Completely Fix.
gpt
Take one strand of overcooked spaghetti noodle. Break it. Now put it back together. Not so bad. That’s a nerve in your arm. 

Now take a whole fistful of overcooked spaghetti noodles. Rip those in half. Now reconnect them to the correct noodles without mushing any other noodle up. And do it while still holding them in your fist. That’s your spine.