"But—" said Ingeborg, who found herself being offered an arm and led ceremoniously after Robert.

"Take your tonic, be much in the sun, and alter nothing in your present mode of life," said the doctor.

"But Robert—"

"The Herr Pastor enjoys excellent health, and will throw himself with more zeal than ever into his work."

"Then why—"

"And the Frau Pastor will do her duty."

"Yes."

She stopped and faced him. "Yes," she said, "I'm going to, but—what is my duty?"

"My dear Frau Pastor, there is only one left. You have discharged all the others. Your one duty now is to keep well in body and mind, provide your two children with a capable mother, and your husband with a companion possessed of the intelligent amiability that springs from good health."

"But Robert—?"