"Am I interrupting some important study?" he asked.
"No," replied Nan. "I was just beginning a letter to mother; that was all."
"Everything all right?"
"Ye-es." She spoke a little doubtfully, the shadow of Jo's affair still upon her.
Dr. Paul looked at her fixedly, his keen eye noticing the trouble in her face. "Look here, Nan," he said. "I don't believe everything is all right."
Nan recovered herself and smiled. "Oh, yes, it is. You'll not find a Corner who hasn't a clear conscience and a clean bill of health."
"That's good. Then I've no prescriptions to write, no advice to give you this time?"
Nan shook her head. "No, you'll have to look out for other patients."
"Then I'll not keep you from that letter. I know how precious time is just now. Where are the rest?"