Birds.

The smoke flew into his lungs. He was a firecracker brought to life by the flame of a calm matchstick.

As his body melted back into reality, he was consumed by guilt. He had reversed two years of hard work. His eyes darted around. There was no one there. No one had witnessed this transgression. His eyes smiled with relief.

Suddenly, he heard a rustle. A pigeon. She was silent, wise, and had seen everything. A tear trickled down his cheek as he let out a frustrated yelp. She startled and quickly flew away.