eight o’clock
What am I to do ? '' `` Do what the lady tells you , '' said the doctor . `` She may be safely trusted to return to the Sanitarium . '' The breakfast hour at the Sanitarium was half-past eight o'clock . By that time Miss Gwilt had settled everything at her lodgings , and had returned with her luggage in her own possession . The doctor was quite amazed at the promptitude of his patient . `` Why waste so much energy ? ''