"So she has. Well, what's your reason for this dreadful request?"
"I want," said Allen, his eyes twinkling, "to buy myself an engagement ring."
Isobel managed to preserve her severity with an effort.
"Really," she replied; "I don't think that is at all a good reason. The War Office discourages...."
"Very well; then I'll buy you one in the village. I saw a sweet thing in diamonds and sapphires yesterday—only one-and-six."
"Don't forget that it's to-day that Mr. Wentworth's coming to tea. Are you going to desert him?"
"I am. I can't behave in his presence."
"Here's your half-fare voucher, then."
"Thank you, darling."
"Hush! Stop it! Go away—some one might come in. Patients mustn't kiss commandants. It isn't discipline."