 What is not a reason for Matilda to tell the librarian what happened?
Someone in Nebraska wanted to trade match books; someone in New York needed a midwestern pen pal, but it was a woman; an elderly man interested in ornithology wanted a young chick correspondent interested in the same subject; a young, personable man wanted an editorial position because he thought he had something to offer the editorial world; and— Matilda read the next one twice. The librarian seemed about to soar off into the air someplace, and if five women had been here first, Matilda was now definitely in a hurry. Matilda assured her that it was, and, breathlessly, she wrote down the address. There were five cars parked in the long driveway, and now Matilda's made the sixth.
 she wanted to make sure the librarian stayed away from him
 she had been asked to relay a message to his wife  she wanted to tell someone her crazy story  she wanted to make sure the librarian stayed away from him  she had made a promise to return