"The Bathtub" joke

It doesn't hurt to take a hard look at yourself from time to
time, and this should help get you started.
During a visit to the mental asylum, a visitor asked the
director what the criterion was which defined 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."
"No" said the director, "A normal person would pull the plug. ..
Do you want a room with or without a view?"