"None. I simply feel tired all the time."
Dr. Dudley shrugged. "So do I! Sleep well?"
"Almost too much."
"Eat well?"
"In every sense of the word, well. I am my own chef."
"Always a gourmet, and never anything wrong with your digestive tract! I wish you'd ask me to dine with you some night. Any of that sherry left?"
"A little. I use it plentifully."
"I'll bet you do! But why did you think there was something wrong with you? Low in your mind?"
"No, merely low in energy. Enjoy doing nothing. I came to you from a sense of duty."
"How about travel?"