Certes, they been lye to hounds, for an hound when he cometh by the roses, or by other bushes, though he may nat pisse, yet wole he heve up his leg and make a countenance to pisse. – Chaucer

Habits are formed by the repetition of particular acts. They are strengthened by an increase in the number of repeated acts. Habits are also weakened or broken, and contrary habits are formed by the repetition of contrary acts. – Mortimer J. Adler

Good habits result from resisting temptation. – Proverb