As developing children we do things thoughtlessly and when we get hurt and are in pain we examine why and choose not to make the same mistake twice.
If you erase that thought process you will just end up repeatedly walking face first into a brick wall.
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MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.