"That person will die...? I can't even see the basis for how he dies."
Allen said, "The key is in how to change the outcome; the progress of events affects subsequent directions."
He explained to Feng Yi, including Zhang Xiaobo as one of the people involved in this event, though not a major character. It was precisely the presence of the fortune-telling booth that led to the young man lighting the firecracker a few seconds earlier. The key wasn't the firecracker's landing point but that the explosion sound at that exact moment woke Zhang Xiaobo, prompting his half-awake consciousness to decide to get up immediately.