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 III
Lively spirit, alert and ingenious but sarcastic, critical, provocative. He is quarrelsome. Expresses himself easily, does what he wants: success is at the end of the road. He is capable and acts quickly.
-64 Opposition Mercury - Mars
While his spirit is lively, it is also cunning. He often acts without thinking, he throws himself into things and exaggerates - and this can bring certain problems. He is nervous and irascible. He can develop others' ideas, while they hesitate - he never does: he presses on.
172 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.