Sister Wives star Robyn's 'dealbreaker' puts relationship sibling partners cabinet is a place where multiple partners can keep their possessions together. It represents unity, cohesion, and shared journey between sister spouses . Having a dedicated sibling partners closet offers comfort and order for their apparel, accessories, and personal objects. It promotes togetherness and permits every spouse to express her personal style while being a part of a loving community. A kin spouses closet functions as a tangible manifestation of their relationship and mutual devotion to being as a team in love and support.