Mars represents the desire for action and physical energy.
Mars in Cancer
He works relentlessly for the well-being of the family. All the aggressiveness is channelled in order to improve the conditions of life for the family, which is his foremost preoccupation. He rarely gets angry and never cries. He controls himself perfectly. That said, if someone, even a member of the family, goes too far then the anger is all the more impressive for being so uncommon.
Weaknesses: Domestic quarrels, discipline problems with children, house moves that are not necessarily an improvement.
Mars in VIII
Sexually very powerful, he expends their energy badly. Arguments over inheritance.
54 Sextile 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.
-23 Square Mars - Jupiter
He refuses to accept any guidance. He lacks forethought, acts impulsively and sometimes imprudently, which can cause problems. He wants everything yesterday and uses whatever means necessary to achieve his objectives, even if they are dishonest or not very commendable. His emotional life is fraught with quarrels and sometimes violent conflicts.
27 Trine Mars - Neptune
His feelings are dominated by wisdom and geared towards the ideal. He likes water, sea voyages. He likes odd people.
-1 Opposition Mars - Pluto
He is violent, brutal, irascible and succeeds in crushing others, without giving it a thought.