If a man, or woman, doesn't have the same characteristics they are looking for in a partner, is it fair to put the blame on the opposite sex? If you are looking for excitement and unpredictability, more than likely, your partner will be looking for the same traits in you. Nobody can sustain a serious relationship, that is always exciting or unpredictable. This can happen on occasion, but a majority of life is not exciting and unpredictable, which is why that notion is controversial in itself.