Initiating a dialogue may seem more arduous as Mercury transits Cancer square your composite Midheaven in Libra. The celestial tussle between communicative Mercury and your shared M.C. spotlights challenges in sustaining equilibrium within your relationship, potentially igniting occasional disagreements. Mercury's transit in the sensitive confines of Cancer can amplify emotional reasoning. It's likely that you find yourselves navigating between logical dialogue and clouded emotional comprehension.

In response to the prevailing energies, you are encouraged to embrace patience, one of Cancer's greatest virtues. Swift responses can instigate tension in this transitional phase, possibly mudding the waters further. Efforts should be driven towards sympathizing and understanding, over rushed problem-solving. With Libra's amiable influence, finding common ground ought to be a vital pursuit in overcoming this test of expressiveness together.

One area that could prove particularly affected is career or public life, denoted by the Midheaven. Mercury's inclination may cause feelings of insecurity or confusion over career routes or public reputation for both parties. Keep open the lines of communication, emphasizing the need for joint decision-making and constructive dialogue.

Despite the initial hiccups, the square provides a chance for growth. The push-pull dynamic between the emotional undertones of Cancer and the justice-driven Libra can usher in a more profound and harmonious interaction style, once worked through. This transit invites you to deepen your understanding and joint communication abilities, leveraging Libra's sensibility and Cancer's empathy.

In essence, navigating through this Mercury transit requires harnessing mutual patience and emphasizing open-hearted conversations. It is through traversing such turbulence that the bond grows stronger, emerging not as two separate individuals, but as a unit capable of navigating life's highs and lows together. Just as the sea ebbs and flows with the moon's guidance, so should you navigate this transit with resilience - embracing the upheavals, assessing the currents, and sailing forth, hand in hand.

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