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 Sextile Venus
You identify with your romantic partners desires to an extent that you can give freely without feeling used or depleted. A healthy fulfilling sexual harmony exists between you. Your relationship gives you energy, sparks your vitality and creativity on many levels. When the Mars person is sextile the Venus person, they feels sexually assertive, confident that you can both give and receive what you desire. This is an opportunity for a lasting and mutually satisfying love.