Fair Margaret by F. Marion Crawford

Mrs. Rushmore had not been at all surprised at Lushington's sudden departure. She was accustomed to the habits of lions and was well aware that they must be allowed to come and go exactly as they please if you wish them to eat out of your hand from time to time; and when the eminent young critic announced rather suddenly that he must leave early the next morning the good lady only said that she was sorry, and that she hoped he would come back soon. Sham lions love to talk about themselves, and to excite curiosity, but real ones resent questions about their doings as they would resent a direct insult. Mrs. Rushmore knew that, too.

She was really sorry to lose him, however, and had counted on his staying at least a week longer. She liked him herself, and she saw that Margaret liked him very much; and it was more moral in a nice girl to like an Englishman than a foreigner, just as it would be still more moral of her to prefer an American to an Englishman, according to Mrs. Rushmore's scale of nationalities. Next to what was moral, she was fond of lions, who are often persons without any morals whatsoever. But Lushington seemed to fill both requirements. He was a highly moral lion. She was quite sure that he did not drink, did not gamble, and did not secretly worship Ashtaroth; and he never told her naughty stories. Therefore she was very sorry when he was gone.