Having shag?

Newly married couple both nymphomaniacs, husband comes downstairs in the morning and the wife asks what he'd like for breakfast "Oh I think I'll have a shag please!" So they go upstairs have a shag then he goes to work. Husband comes home for lunch, "What would you like for lunch dear?" "Oh I think I'll have a shag please!" So again they shag and he returns to work. Half hour later he walks in the house and finds his wife sliding up and down the banister! "What are you doin?" he asks. "I'm warming up your dinner!!"