Why were the two Tablets of the Covenant separate yet placed side by side?

This source-based Hagut Yosef essay explores the question: Why were the two Tablets of the Covenant separate yet placed side by side? The canonical Hebrew article develops the theme through Torah sources and reflection on human life. This localized discovery layer preserves the meaning and source identity; it does not add a new halakhic, historical, psychological, medical, legal, or empirical claim beyond the Hebrew source.