One is not sure about the intentions of a male date.
Dreams of mace symbolize protection, fear of being in and around adverse circumstances and that you are on the defensive. Perhaps you are feeling that you have a secret weapon up your sleeve, and your dream is cautioning you to use your power discriminately.
To dream of mace (the spice so called) is very good, because mace comforts the heart.
To dream of mace is good, for mace comforts the heart (Artemidorus).