“Why fifteen?”

She smiled, and prodded with her stick at a bit of moss in a crack in the wall. Somewhere below them there was a view, but it was far away.

“Well, because if you were forty you would be just my age.”

“You are thirty.”

Voilà! That’s exactly what I said. A woman of thirty is as old as a man of forty. As it is, you are a child, and I a middle-aged person.”

Cleeve watched her for a moment. Then he said, slowly: “I’d give up those intervening years to be forty today.”

“Then you’d be an awful idiot!”

“I’d not be an idiot at all. You treat me like a child.”

“You are one—to me.”

“I’m not a child.”