Nothing wrong with preferring older women. Usually older women have more experience and are much more mature in every other way. Some older ladies might prefer younger men to keep them young. As for who you should marry: I can only suggest you marry for love no matter the age. Know going into marriage her desires for your relationship. Does she want to be in an open relationship or does she want you all to herself. DONT TRY TO CHANGE HER. It wont happen. Enjoy the woman you are with no matter the age. I enjoy all ages myself.