MERCURY - SUN Synastry in SQUARE Aspect

The importance of communication in relationships cannot be emphasised enough. 

Without understanding of another person's point of view and the ability to communicate one's own thoughts and feelings a relationship can easily breakdown. 

  • 👉 Synastry, also known as the relationship astrology, is an interpretation of any established relationships, be it professional, marital, romantic relationships, or others between individuals..
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This is a difficult combination for communications in a relationship. MERCURY ( You ) Square SUN ( Your Partner ) Square or opposition Aspect in Synastry, have difficulty understanding each other's point of view. They cannot communicate their thoughts and feelings easily. 

Consequently MERCURY ( You ) Square SUN ( Your Partner )  have trouble being together and a certain tension exists in the relationship. SUN ( Your Partner ) needs to be wary of having too much pride, of trying to override MERCURY ( You ) views through sheer force of personality. SUN ( Your Partner ) takes a superior attitude to MERCURY ( You ), which proves detrimental in the long run. 

MERCURY ( You ) feels misunderstood, knowing that his ideas are so different to SUN ( Your Partner ). There is a danger that MERCURY ( You ) starts keeping his thoughts to himself thereby blocking any chance of communications improving. As long as both MERCURY ( You ) Square SUN ( Your Partner ) continue to try to overcome these obstacles then their union has a chance for success. They may find it of benefit to take time out and write down their thoughts and feelings during times of stress rather than speaking on the spur of the moment.


The Two Paths of Love - What Starts Love vs. What Sustains It




This Info graphic image perfectly illustrates the difference between the Neptunian/Venusian phase of a relationship (fantasy, attraction, merging) and the Saturnian/Lunar phase (structure, commitment, daily habits).

Here is the "Zodiac Version" of this chart, broken down by the Elements and the key planets involved in your natal chart.

1. The Astrological Translation

To understand this through a natal chart lens, we first need to rename the columns using planetary archetypes.

Falling in Love (Short-Term)Creating Love (Long-Term)
Ruled by: Mars, Venus, & NeptuneRuled by: The Moon, Saturn, & The Sun
The Spark & The FantasyThe Structure & The Reality
Zodiac Mode: "I feel," "I desire."Zodiac Mode: "I build," "I sustain."

2. Elemental Approaches to the Transition

In Western Astrology, your dominant element (Fire, Earth, Air, or Water) dictates which side of this image comes naturally to you, and which side is your "karmic homework."

FIRE SIGNS (Aries, Leo, Sagittarius)

  • Natural State: The Left Side (Falling).

    • Fire signs thrive on the euphoria mentioned in the first column. They love the chase, the conquest, and the adrenaline of the "beginning."

    • The Trap: As soon as the "1-2 years" mark hits and the chemical feeling fades, Fire signs can feel bored or assume the love is "dead" because the constant excitement is gone.

    • The Lesson (Right Side): Learning that boredom is not a lack of love; it is peace. They must learn to view "putting in effort" not as a chore, but as a new form of passion.

EARTH SIGNS (Taurus, Virgo, Capricorn)

  • Natural State: The Right Side (Creating).

    • Earth signs are naturally wired for the "Long-Term." They instinctively understand that love is a verb. A Capricorn or Virgo will show love by fixing your car or organizing your taxes (effort/choice) rather than just poetic declarations.

    • The Trap: They can sometimes skip the "Falling" phase entirely or be too pragmatic, treating the relationship like a business merger. They might forget to "make each other feel special" in an emotional sense because they are too focused on the practical "effort."

    • The Lesson (Left Side): Allowing themselves to lose control and feel the "euphoria" without analyzing it first.

AIR SIGNS (Gemini, Libra, Aquarius)

  • Natural State: The Bridge (The Mix).

    • Air signs are interesting here. They love the idea of the Left Side (especially Libra), but they prioritize the individuality of the Right Side ("still have your own individual selves").

    • The Trap: They can struggle with the emotional "merging" on the left (feeling like "one person" can feel suffocating to an Aquarius or Gemini). They may intellectualize feelings rather than feeling them.

    • The Lesson: Moving from "talking" about love (Air) to "doing" the emotional work (Water/Earth).

WATER SIGNS (Cancer, Scorpio, Pisces)

  • Natural State: The Left Side (Merging).

    • The point in the image "Both of you feel as if you are 'one person'" is the definition of a Water sign relationship. Pisces and Cancer, in particular, crave that total emotional enmeshment.

    • The Trap: They often believe "love can conquer all" (Left Side) and may stay in toxic situations too long because they rely on the feeling rather than the reality. They struggle most with the Right Side concept of maintaining "individual selves."

    • The Lesson (Right Side): Establishing boundaries. Realizing that you can love someone deeply without losing your own identity in the process.

3. The Planetary "Organs" of Love

Since we are looking at the Natal Chart only, you have different planets that handle these two different columns. A person can be good at one and bad at the other depending on their placements.

For the Left Column (The Spark): Check your VENUS & MARS

  • Venus describes how you seduce and what you find beautiful.

  • Mars describes your sexual drive and how you pursue.

  • Example: A person with Venus in Aries is amazing at the Left Column—passionate, intense, and euphoric. But without support elsewhere in the chart, they might burn out fast.

For the Right Column (The Bond): Check your MOON & SATURN

  • The Moon describes your daily habits, your domestic life, and what you need to feel safe after the party is over.

  • Saturn is the planet of time, responsibility, and "choosing" to stay.

  • Example: A person with Moon in Taurus or Saturn in Capricorn excels at the Right Column. They are steady, reliable, and loyal, even when the "chemical feeling" fluctuates.

Summary

  • The "Falling" phase is dominated by Fire and Water energy (Passion and Emotion).

  • The "Creating" phase is dominated by Earth and Air energy (Stability and Logic).

  • The Goal: A mature Natal Chart integrates both. You use your Venus to attract the love, but you use your Saturn to keep it.

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What's Your Zodiac Personality?

Your personality holds an element. Answer the questions to find yours!

How do you typically start a new project?

Jump in with passion and energy!
Plan carefully step-by-step first.
Brainstorm and talk it over with others.
Follow my gut feeling and intuition.

You're at a party. Where can people usually find you?

In the middle of the action, full of life.
Enjoying the good food and comfortable vibes.
Moving around, talking to many different people.
In a quiet corner, having a deep conversation.

When making a big decision, you rely most on:

Your gut-level desire and willpower.
Logic and practical, real-world outcomes.
Weighing all ideas and intellectual pros and cons.
Your deepest feelings and inner compass.
Your Element