He answered that it is easy: “We make a little test. We fill bathtub with water and give him teaspoon, coffee cup and bucket. Then we asked him to empty the bathtub.”
I understood and said that: “Yes, of course, normal man use the bucket, because it is much bigger than teaspoon or coffee cup!”
The psychiatrist looked at me quite long time and after that he said: “No, normal man take plug off from the bathtub. Do you want a bed next to window?”