"I never had a policy about marriage. I got married very young in life and I always think in all relationships, I've always thought that it's counterproductive to have a theory on that"

In this quote, Jack Nicholson is expressing his openness and flexibility towards marriage and relationships. He confesses that he got wed extremely young however he has never ever had a set policy or a specific method towards it. He believes that having a preconceived notion or a theory about relationships is disadvantageous and can hinder the natural growth and evolution of a relationship. Nicholson appears to be advocating for a more adaptable and spontaneous method towards love, where one is open to alter and going to embrace brand-new experiences. In general, the quote shows Nicholson's free-spirited and non-traditional frame of mind towards love and marriage.