If this square sits in your natal chart, you carry two impulses that never quite struck a deal. Venus governs what you like: the kind of closeness you find beautiful, how you handle taste and money, what you want to belong to. Mars governs how you go after things, how you defend a line, how you point desire towards action. In a trine those two work in step. In a square they argue. On the ground it often looks like this: you want softness and lovely things, yet you act sharp. Or the reverse — there's a good deal of anger inside, but the face you turn outward is a smile, and then you're left puzzled that nobody 'heard' you.
There are plenty of variants. A common one: you feel an attraction, but the moment closeness arrives you turn prickly, start needling, pick a fight over something trivial. Another runs the opposite way. On your own you want to act, to pursue, to win — but next to the person you fancy the resolve evaporates, and an hour later it breaks out as an irritation you can't quite place. None of this is 'a bad character'. It's the work of an aspect that hasn't yet found a lawful way out.
In women's charts the pattern often reads as a split between the role of 'the nice one' and the role of 'the determined one': one half won't let itself want, the other resents the partner for it. In men's charts the drawing is similar but in different terms — the aesthete and the hunter at odds inside, taste against instinct. In both cases the same thing sits under the surface: two functions a person has learned not to hold together.
The good news is that the square doesn't drain your energy. It provokes it. People with Venus square Mars are rarely passive in love or in creative work. This pair breeds passion, expressiveness, the ability to throw both body and will behind something you find beautiful. Athletes, actors, musicians, founders with this aspect often show a particular stubbornness about whatever they've decided is worth doing. The trouble only arrives where someone picks a side — 'I'm the soft one', or 'I'm the hard one' — and then spends years suppressing the other function. The buried half comes back through the body, through blow-ups, through the swings in a relationship.
Money deserves its own line. Venus square Mars often gives a complicated relationship with spending. One day you pinch every penny; the next you bolt after a purchase you'll later regret. Inside runs the same argument: 'I like it' against 'I want it right now'. Left unseen, the dynamic loops for years. Seen, it becomes possible to make a deal with yourself in advance — before Mars lunges for the card and Venus is left looking sadly at the statement. (This is a behavioural pattern to recognise, by the way, not financial advice.)
I won't soften it. It's easy to walk into a counsellor's room with this square and the line 'I've chosen the wrong one again' or 'I've wrecked it all again'. Inside, two wills are pulling opposite ways. As long as one counts as 'the right one' and the other as 'the ugly one', the relationships keep circling the same point. That isn't a sentence — it's a pointer to the work. Integration begins with a single step: admitting that both Venus and Mars are yours, and that both functions get a voice. Once they do, softness stops being a mask and aggression stops being a shameful secret.
The full picture of your particular square also depends on which signs Venus and Mars occupy, which houses they fall in, and what each planet's own aspects to the Moon, the Sun, Saturn and Pluto add to the mix. Without those, the general sketch stays a frame on which your personal story could hang very differently. To see how this pattern actually plays in your own chart, it's worth starting with a proper natal read — and holding all of it lightly, as something to reflect on rather than to obey.