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 Inconjunct Pluto
You way of doing things is frustrated by your partners desire to discover the hidden reasons behind your self assertion. Control is an issue here and both of you will find yourself going to extremes to prove a point or win an argument. You will find yourself constantly having to adjust because of your partners arguments which make you feel that their approach to life is getting in the way of you ever achieving satisfaction. When the Mars person is inconjunct the Pluto person, you may find yourself resorting to manipulation, hiding your true desires behind a compromise in order to get anything accomplished in the face of someone who seems so obvious in attempting to prevent you from asserting yourself.