"You wish to keep me—for yourself?" he repeated, laughing.

"Yes, Captain Selwyn."

"Until you marry. Is that it, Eileen?"

"Yes, until I marry."

"And then we'll let each other go; is that it?"

"Yes. But I think I told you that I would never marry. Didn't I?"

"Oh! Then ours is to be a lifelong and anti-sentimental contract!"

"Yes, unless you marry."

"I promise not to," he said, "unless you do."

"I promise not to," she said gaily, "unless you do."