system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: the world is 40 trillion in debt? But to who?
gpt
Each other.

Me, You and your mum all have $5.

I loan you $5, you now have $10
You loan your mum $5, you now have $5 and she has $10
Your mum loans me $5, she now has $5 and i have $5.

Now we all have $5, but we're in $15 worth of debt.