Synastry can be a confusing subject to look at. It’s already confusing enough to look at your natal chart, imagine how confusing it’d be to combine your natal chart with another person’s! In a synastry calculator, you can be very confused with what you see. So many lines, so many aspects to look at.
Aspects is a very important component in synastry. It’s the connections your planets make to your partner’s. It gives insight to the interactions between you two. While there’s some free-flowing, easy aspects, there’s some hard, challenging ones.
And sometimes, if not managed correctly, challenging aspects can turn into toxic, unhealthy aspects.
A little disclaimer before I list such aspects. Everybody has their own idea of what a “red flag” synastry aspect could be. This is just my opinion on what I think would be toxic and unhealthy. And if you find that you and partner have one of these challenging aspects, don’t just throw your relationship out the door. Every relationship is challenging, and to just completely throw away a relationship just because you see a challenging aspect is foolish. It’s your relationship. Don’t let the stars determine your actions. I personally have one of the “red flag” aspects below, but remember that challenging aspects can also turn to transforming, powerful aspects in a good way!
Moon Square or Opposite Saturn - In this aspect, it can be argued that the Moon person will be mainly harmed, but I believe both people with this aspect will be hurt. The Saturn person will feel that the Moon person is constantly irresponsible, scolding and criticizing the Moon person like a child. The Moon person feels emotionally damaged by this, and if not handled correctly, the Moon person will eventually sensor what he/she says to the Saturn person while the Saturn person will eventually be in the dark. The Moon person could eventually be depressed with the relationship while the Saturn person will not be satisfied.
Mars Square or Opposite Pluto - This aspect is notoriously known as one of the most dangerous synastry aspects a couple could have. There is definitely a strong, notable aggressive attitude the Mars and Pluto person possesses while they are presented in different ways. Arguments can be quite explosive within this pairing, since both people are too stubborn and aggressive to give in. If the two individuals are physically violent, this aspect can show violence and abuse. However, if there isn’t any signs in the charts of each of individual, abuse and violence is not likely to occur.
Mars Square or Opposite Saturn - Unlike the Moon Square or Opposite Saturn aspect, this aspect can negatively manifest into something more violent. With the disciplinary, harsh, and criticizing tendencies of Saturn, the Saturn person will most likely criticize the Mars person for everything they do since Mars is the planet of energy, and everything requires energy. The Mars person could have a need to rebel and openly act against the Saturn person while the Saturn person would have a stronger need to restrict the Mars person. Since Saturn is a planet that represents longevity, this aspect wouldn’t manifest early in a romantic relationship, but rather later into the relationship when both people are comfortable with each other.
Venus Square or Opposite Uranus - In this aspect, the Uranus person will most likely want their relationship with the Venus to be as spontaneous and interesting as possible. However, the Venus person may want romantic structure in the relationship and the Uranus person can resent this. In romantic situations, it can be quite erratic and inconstant, making the relationship quite unsteady and dramatic, especially for the Venus person. Sometimes, the Uranus person can be romantically or emotionally distant from the Venus person.
Venus Square of Opposite Pluto - There is a strong powerful struggle between the Venus and Pluto person. The Pluto person is likely to dominant over the Venus person, and sometimes, this can be hard for the Venus person to accept. The Pluto person can also be quite possessive and jealous when it comes to the Venus person. While there is a strong attraction between the two, the relationship between the two could be quite an emotional rollercoaster. If an relationship were to end between the Venus and Pluto person, the chances of repeating the relationship is slim due to the overpowering passion between the two.
I will probably make a part two of this when I find more aspects!