Others said it was because she wanted so much, didn't think about the consequences. She on the other hand understood that it was her destiny. She had promised to follow this road. Any sort of U-turn would betray that promise, would see her pilloried. Not that there appeared to be any road back anyway, and the car appeared to have no brake or reverse gear.
No, she must be strong, she mustn't cry. Foot on the accelerator, look straight ahead. Shame about the car.