The Bathtub Test

During a visit to the mental hospital, I asked the Director 'How do you
determine whether or not a patient should be admitted to the hospital.'
'Well,' said the Director, 'we fill up a bathtub, then we give a
teaspoon, a teacup and a bucket to the patient and ask him to empty the
bathtub.'
'Oh, I understand,' I said. 'A normal person would use the bucket because
it's bigger than the spoon or the teacup.'
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'No.' said the Director, 'A normal person would pull the drain plug.
Well........ Do you want a bed near the window?'