When Eros flirts its way into Aquarius and decides to playfully challenge your composite Mercury in Sagittarius through a square, your communication gets a sprinkle of cosmic spice. With Eros, the asteroid of desire and deep attraction, moving through the progressive realm of Aquarius, your relationship is set to experience a tug-of-war between intellectual stimulation and the need for emotional excitement. Traditionally, Aquarius's inventive energy mixed with the fiery enthusiasm of Sagittarius could turn your dialogues from mere exchanges of information to electrifying brainstorming sessions, where sparks might fly, both literally and metaphorically.

The square aspect isn't just an ordinary day in astrological weather; it's more like a strong espresso shot - intense and designed to wake you up. Expect some intellectual fireworks as this aspect energizes your interactions, making them more lively and perhaps a bit contentious at times. Get ready to debate everything from the latest technology trends to philosophical concepts. Just like Aquarians can become preoccupied with their thoughts, you might find yourself heavily absorbed in proving a point or exploring unconventional ideas.

Yet, it's important to remember that the effect of Eros makes this more than just an intellectual exercise; it's about connecting on a deeper level. Eros pushes for transformation through attraction to ideas and ideals, not just people. The challenge here is to balance the excitement for new thoughts and theories with the understanding and patience needed for mutually fulfilling conversations. This time might bring a series of "aha!" moments; just ensure they don't turn into "oh no" situations due to a lack of sensitivity or impatience with each other's viewpoints.

The interplay of Eros in Aquarius and Mercury in Sagittarius invites you to explore the potential of your mental connection to invigorate your relationship. Embrace the thrilling, if occasionally stormy, winds of change and innovation. Use your words as both a dance and a duel, but always aim to end on a note of harmony, keeping the channels of communication as open as the skies where both Aquarius and Sagittarius love to roam.

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