Read "Cass Timberlane, A Novel of Husbands and Wives" by Sinclair Lewis online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
Cass had intended to keep their life from falling into a prosperous-middle-class routine which would bore Jinny as it bored his sister Rose, but now, he felt, "just for a while, a Certain Amount of Routine will protect her."
He was correct in calculating that their routine did add up to at least a Certain Amount.