How to let him know?

How do I let him know that I want him to be more dominant? I asked him if he was the dominant or submissive & he said he was the submissive! He asked me & I said I was the submissive too & that I liked when he was dominant. Sometimes (very rarely) he will be dominant & like an animal in the bedroom & it drives me crazy with lust! What can I do to make him want to be dominant & more animalistic??