During a visit to the mental asylum, a visitor asked the Director: 'How do you determine whether or not a patient should be institutionalized?'

'Well,' said the Director, 'we fill up a bathtub, then we offer a teaspoon, a teacup and a bucket to the patient and ask him or her to empty the bathtub.'

'Oh, I understand,' said the visitor. '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 plug. Do you want a bed near the window?'