system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How does one die of "Old age", do our bodies simply shutdown one day or is it always somekind of disease that kills old people?
gpt
It's like a really old car. Lots of things are falling apart, a few might break down but it'll keep chugging along though leak oil all over the place. 


Then one day something important breaks, or just one too many small things broke, and it never starts up again.