Another Man's Poison 
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Janet Frobisher: You have an unfair advantage. You know the way my brain works.
Dr. Henderson: The dark recesses of the female mind? Hm! I can hardly claim to have penetrated that far.
Janet Frobisher: You asked a pretty question; I've given you the ugly answer.
Dr. Henderson: Out of evil cometh good. That is, occasionally.
Janet Frobisher: When I'm amused - I laugh.