You don't need to know all about the details.

Your mother and I will plan it all, and you can just be the lucky little hostess." So Marjorie was not admitted to the long confabs between her mother and Cousin Jack.

She didn't mind, for she knew perfectly well that delightful plans were being made for the party, and they would all be carried out.

But there was much speculation in Sand Court as to what the fun would be.
"I know it will be lovely," said Hester, with a sigh.

"You are the luckiest girl I ever saw, Marjorie.