Leslie: I'll show you that your quest for the treasure is irrational.
Evidence
You would not sacrifice one of your hands in order to possess the world.
Your hands are more important than possessing the world.
Your entire body is necessarily more important to you than your hands.
You are ruining your health and harming your body in your quest for a treasure that is much less valuable than the whole world.
Conclusion
Your quest for the treasure is irrational.