Venkman asked her a series of "standard" but unrelated questions about her mental, physical, and psychological health:Have you or any member of your family ever been diagnosed as schizophrenic, mentally incompetent?Are you habitually using drugs, stimulants, alcohol?Are you, Alice, menstruating right now?When Delacorte doubted his line of questioning, Venkman barked at him:"Back off, man.The point is, I-I""m through.She has returned from Bermuda where she met her new beau - "this man." He""s an insurance salesman ("That""s a good, honest business, isn""t it?") - a profession that Walter sarcastically disparages with irony: "Oh certainly, it""s honest."Nick offers to drive Catherine home in his car - it is pouring rain that evening.He compliments her on her ability to fool the polygraph:Nick: Beating that machine can""t be easy.Catherine: If I was guilty and I wanted to beat that machine, it wouldn""t be hard.It wouldn""t be hard at all.You took a lie detector test after you shot those two people, didn""t you?Nick: I passed.Catherine: You see, we""re both innocent, Nick.(He gives her a long, hard stare)When he stops the car in the front of her house, he seems perturbed by her omniscient interest in him:Nick: You seem to know an awful lot about me.Don""t forget, ""For want of a nail, a horseshoe was lost and then the whole battle."" A captain""s job is a lonely one.He""s easily misunderstood.Forget that I bawled you out.It was good for the morale of all concerned.While on a brief leave and as Keith arrived on he dock, he was greeted by both his negatively-opinionated mother, and his girlfriend.