I converted the narration from “you” to “I” based on the text you provided.

I did not leave Lake Tahoe like a woman who had been destroyed.

I left like a woman who had finally understood the entire war map.

The mountain road curved through the dark pines, my headlights cutting clean lines through the night. My hands stayed steady on the steering wheel. Behind me, Nathan was probably still on that balcony, still laughing, still touching Claire’s pregnant belly, still thinking he had already erased me.