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The letter format adds a personal touch and intimacy, but I'm curious if that was planned from the start or evolved during writing. Did it help deepen the emotional impact?

The story seemed to take its time developing the characters' histories. I wonder if this was a deliberate choice to build emotional depth or just a natural flow.

The letters reveal so much about their inner worlds. Did the author find that this method allowed for more honest or vulnerable expressions than traditional narration?