This proverb suggests that when spouses work together, they can accomplish tasks more efficiently and quickly. The image of the bag represents a load or responsibility to be fulfilled, and filling it more easily implies faster and less laborious progress due to mutual collaboration. It highlights the importance of mutual support, cooperation, and solidarity within a couple to overcome challenges and achieve common goals. By working together, spouses can share burdens and find solutions more quickly, thereby strengthening their bond and complicity.