It's inconsiderate to make someone homeless.
Betty is very unhappy in her marriage.
Betty wants to leave her husband.
Betty sits down and talks with her husband and lets him know she is considering leaving him.
Betty moves all her husbands stuff out of the house while he is at work and changes the locks.
Her husband feels the same way, and they make plans to separate once he can locate other living arrangements.
Betty's husband calls the police, and she is charged with an illegal eviction.