It was true! It was he! And he hadn't even met Diana yet. She had been dancing. But the hostess had introduced him to Father, and Captain March had worked round to the subject of me. When he heard that I was "too young for balls," he just slipped out, took a taxi, and made a dash to Chapel Street to tell me he was sorry. I was so grateful, I could have cried more than ever. It seemed to me one of the very nicest things a man ever did. He was in full-dress uniform, because an American officer is on his native heath when he's at his own Embassy; and I thought that he looked adorable in uniform. He stayed half an hour instead of five minutes, and then said he must go back, and "do the right thing." The right thing, which he didn't particularly want to do, was to dance with the girls who weren't booked up to the eyes, and--to meet my sister. It was my first triumph to have a man--and such a man--put me in front of Diana. I was thrilled by it, though I ought to have had sense enough to know what would happen. Eagle March (he told me that night to call him Eagle) did go back to the ball, and did meet Diana. I heard about it next morning when I took in her breakfast: how he had asked Father if he might be introduced, and Di had liked him so much that she found a dance to give him, although everything was engaged by the time he arrived; how an American girl who knew him at home said that he had a rich aunt who might leave him "a whole heap of money" some day (the aunt of the lace, I said to myself); and how Father had consented to take Diana and me to Hendon, to see Captain March's monoplane in its hangar. "I managed that for you, dear, to make up for your disappointment last night, and because you're really a good, useful little flap of a flapper," Di finished. "Once we're at Hendon, I'm sure Father can be coaxed to let us go up for just a short flight, though he thinks now that nothing could induce him to. Captain March has promised that I shall be his first woman passenger. Never has he taken a woman with him yet." I only gasped inaudibly, and bit a little piece off my heart. Of course I guessed then what must have happened; and when Eagle came that afternoon, I _knew_. I was for him a nice child still--a "good, useful little flapper," as Di said, and he was my friend as before; but Diana had lit up the world for him. He could hardly take his eyes off her. When she spoke, even at a distance, he heard every word, and nothing that any one else said. "Why didn't you tell me your sister was such a wonderful beauty?" he mumbled as he was saying good-bye.