As Betty waved him a good-bye from the steps of the Casino she thought sadly of a great many things she might have said about John and hadn’t. “It’s so difficult when you’ve been confided in and have to remember what you mustn’t tell,” she thought. “Oh, dear, I meant to explain about Mr. Blake and what I told him. I forgot that too. I hope Mr. Morton won’t forget to write the letter to his son.”