Low sex drive

So through my whole relationship. With any man I have always had a low sex drive. I am with my fiancé happy and I love him, we have had great sex and get creative. But honestly I don't feel a need for it and never need it. We don't really have sex now but occasionally fool around for fun. But more for him not that I don't enjoy it. I just don't need it. What can I do to up my sex drive? Also. I never have orgasmed. Once it gets to a intense point for me. I have to stop and can never finish with clitoral stimulation.