“No, Doctor.”
“When you go to bed do you keep the windows open?”
“Yes, Doctor.”
“That’s right. That’s very important. Do people spit around you?” (The Doctor is always on the war-path against this disgusting and dangerous habit.)
“No, sir.”
“Quite sure?”
“Well, we use spit-boxes.”
“Do you burn the contents?”
“Yes, sir.”
“Do you wear warm things?”