Mars shows what a woman is attracted to in a man. Being with a man who is strong in her Mars element, or who makes close sextiles with her Mars, makes the relationship much easier, and increases sexual desire and compatibility. For a man, his Mars is part of his masculine nature, so it is best when his partner also relates well with this element.
Mars Conjunct Venus
There is an amorous sexual magnetism between you and your romantic partner, you enjoy letting him/her take the lead in this passionate an dynamic attraction. When the Mars person is in conjunction with the Venus person, your partners assertive sexuality is tempered by a desire for romantic cooperation and they enjoys indulging in forms of pleasure you enjoy as well as satisfying their own needs.