"Is it, dear?"
"Yes, shall we go to bed?"
"You go, I'll come presently."
"Well, don't stay up too late; it makes me nervous, I can't sleep properly till I know you're in bed."
"I shan't wake you coming upstairs."
"I never go to sleep at all until I hear your door close. Have you written about those servants?"
"Yes, I'm going out now to post the letters."
"Then I'll wait up until you get back, darling."
"No, please not, Mother; I have a key."
"But it makes me nervous when I know you're out. Run along, dear; I shall wait for you."