Ethel's dimples came into sudden play. "Yes," she said, "that was the agreement. When I found that instead of running away from Mr. Eaton I had taken passage on the same boat with him, we decided that the only thing to do was to seem reasonably friendly, or else you girls would wonder what the matter was, and then"--Ethel blushed hotly--"it was dreadfully awkward. We were always being either too distant or too friendly, but I couldn't explain, so I had to trust you girls not to gossip. I knew I could. And--and that's every bit there is to tell, little sister."