"I was afraid you were gone.

Look here!" He led her to the window, and drew the curtain to one side.

The cool air rushed in, for the bolts were unfastened, and the window was ajar.

He closed it and fastened it securely, and they both came back.
"The woman got out that way," he said, in explanation.

"I understand it all now--and some one might have come back." He told her quietly what had happened, and showed her the letter, which she read slowly to the end before she gave it back to him.
"Then the other was not a love letter, after all," she said, with a little laugh that had more of relief in it than amusement, though she did not know it herself.
"No," he answered gravely.