Mother: Get that whore out of my house.
Young Norman Bates: She's not a whore, mother.
Mother: I said get rid of her. Or do I have to do it myself?
Young Norman Bates: No, Mother. I'll get rid of her.
Mother: Kill her.
Young Norman Bates: Kill her? I can't! No! No, I can't.
Mother: Alright. Alright. Then I'll do it for you.
Norman: I know that in the cosmic scheme of things, little boys are small, but some days they can be... some days little boys can be giants.
Norman Bates: I'm free.
Connie Bates: No, Norman! No more blood.
Norman Bates: Oh, I've killed before, and now I'm gonna have to do it again.
Answer: Norman is mentally stable in this film. Connie and Norman fell in love during his institutionalization. After being deemed sane and released, they were married. Norman is afraid to have children because he doesn't want to pass on his psychosis. Connie believes that with proper care, their child won't end up like Norman, and plans to become pregnant.