Scott can come and play propriety.

He's staid enough to chaperon a whole girls' school." "Thanks, old chap," said Scott.

"But I'm not coming down again, either." Eustace looked over his head.

"Then you must, Isabel.

Come along! Just to oblige Miss Bathurst! It won't hurt you to sit in a safe corner for one dance." Isabel looked up at him with a startled expression, as of one trapped.
"Oh, don't ask me!" she said.