Hold onto your hats, you two! When Pluto transits Sagittarius, it's like receiving an invitation to the cosmic rodeo - buckle up because it's going to be a wild ride! Your composite Mercury in Libra suggests that your relationship thrives on balance, harmony, and intellectual connectivity. Now, Mercury, the savagely witty cousin of the zodiac, coming head-to-head with powerful Pluto's transformative vibe, is akin to a theory-loving physics professor running a high-stakes poker game. Yes, it's going to be quite the sight.

Pluto brings transformation and regeneration. So prepare for some intense conversations that push the boundaries of your comfort zones. The intensity of Pluto is essentially asking: "Hey, you two, ready to hit the fast-forward button on your relationship evolution?!"

But fear not, Mercury in Libra grants your duo the superpower of diplomatic dialogue, easing the birth pangs of transformation. Yes, discussions may grow deep, intense, and occasionally resemble an interplanetary mind-meld, but your strength lies in mutual respect and equitable conversation.

As Pluto's no-nonsense attitude squares off with your ever-so-diplomatic Mercury, you may find old communication patterns thrown out the window faster than last season's fashions. Pluto in Sagittarius wants you to explore and expand your horizons, but don't be surprised if Mercury pulls out a witty remark or two in response - that's its charming defense mechanism!

Your long-held beliefs may be challenged in ways that would make a stubborn Taurus balk. Yet, the all-encompassing change initiated by Pluto doesn't have to be terrifying, think of it as a cosmic decluttering! Regenerating your thoughts, speech, and ultimately helping you both discover novel ways of perceiving the world together.

This cosmic square dance might not be a waltz in the park, but remember, you both are the universe's pit crew in the grand relay race of your relationship's growth. So, gear up, harness the power of balanced communication, and don't forget to enjoy the ride; it's all part of the Pluto-Sagittarius-Mercury-Libra charisma. Just don't mistake Pluto for a small, benign, not-planetary-enough-to-worry-about space rock - it will fluff up its feathers and surprise you!

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