Mars represents the desire for action and physical energy.
Mars in Leo
Combative strength. He always realizes his schemes. Can undertake big projects, conclude them successfully and receive the deserved rewards. He likes responsibilities and difficulties above all, and imposes himself forcefully.
Weaknesses: Combative force can lead to violence if he thinks it necessary. He is bold, presumptuous, intrepid: he likes to face danger and can naturally have a few hiccups on the way.
Mars in I
He gets angry and carried away a lot. He is provocative, impulsive, dynamic and bold. Great spirit of enterprise. He has a great need of activity and throws himself into projects without thinking of the consequences of possible setbacks, nor of the dangers that may arise.
-19 Opposition Moon - Mars
He is very emotional and is driven to do things by his emotions. He does not think things over or through in a given situation. He is irascible and sometimes violent. Marital disputes.
51 Trine Venus - Mars
He is amorous, not a peaceful and calm lover but a passionate one with a strong temperament. He is demonstrative in love, and likes healthy pleasures. He enjoys life to the full.
163 Sextile Mars - Saturn
He is energetic and determined. He has strength and resistance, ability and patience: he is tough, and sometimes insensitive, and puts all his energy and talents into overcoming all the obstacles to his success. He is obstinate, calculating, does not take on anything without having thought of all the possible consequences, he can take all the time in the world and never loses patience to achieve his objectives. He is not particularly popular in his circle, but is feared and respected.
44 Trine Mars - Uranus
He possesses exceptional energy. He is impulsive but bold. He takes on risky enterprises for the good of the community, with all the energy he possesses. He has a great need of his independence, likes his freedom of action.