As Jupiter transits Capricorn, the flighty enthusiasm of your combined Sagittarian Sun could find a grounding maturation. The disciplinarian of the zodiac, Capricorn, will guide you to navigate ideational passions with pragmatic containment, fostering more sustainable routes to your shared humane pursuits. Jupiter's sextile to your Sun may facilitate an easier incorporation of Capricorn's call for structure. A gust of optimism imbues your partnership, thawing any hardening dispositions while maintaining diligence in relationship strategizing.

You may notice an uptick in large-scale planning under this transit. You might find yourselves inking long-term plans, embracing broader horizons and wider learning scopes. Jupiter's magnifying lens in the dynamic earth sign directs your fiery Sagittarian optimism into tangible manifestation. The world might seem more navigable, manageable, your dreams convertible into concrete goals. The propensity towards dissatisfaction from unfulfilled wanderlust inherent in your composite Sun gets a reality check, sculpting wisdom from disappointments.

This transit also highlights the role of ethics in your relationship. The steadying Capricorn influence on Jupiter helps distil Sagittarius' moral postulates into serviceable rules of engagement. This manifests not in rigid, coercive regulations but informed principles promoting fairness and mutual respect, protecting the relationship's boundless spirit from infringing liberties.

Lastly, the financial aspect mustn't be overlooked. A meticulous approach to resources and smart investments may emerge, your adventurous impulses meeting Capricorn's wealth management expertise. But beware, Jupiter's optimistic influence might slip into overconfidence. Double-check fine prints and reassess high-risk ventures.

Your relational trajectory during this Jupiter transit charges with drive and pragmatism. Your invigorating optimism meets tactical discipline, establishing momentum nourished on structure. In this mutual refinement, your broad visions find grittier texture within practical arenas, creating a balanced interplay of aspiration and execution. The balance may waver at times, but the shared process of adjusting casts a stronger relational bond in the crucible of experience.

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