did this happen

It was very early this morning, and I was backing out of the driveway on my way to pick up my papers. It was still snowing, enough to make it a little hard to see when combined with the darkness of the predawn. I can't remember what I was thinking about. Maybe there was something on the radio, an infomercial, something about investment oppurtunities. That sounds right, not music but something of no interest to me, just hypnotic words that didn't need to be strung together into meaning that early in the morning. Whatever, happened, whereever my mind was, the morning's quiet and comforting harmony, it's similarity to the hundreds of identical mornings that had come before, was abruptly broken by a loud cry. "OH FUCK!" I heard. I'm not sure that I felt any resistance from the car, but there was somebody back there, and I had hit him. Had I not checked and double-checked my rear-view? Was this my fault? At that hour of the night, isn't it the pedestrian's responsibility to stay out of my way? Isn't it?
The man, a young man, was walking somewhere, bundled up, awake and heading off to do something, just like me. And I had hit him with my car. "I'm okay," he mouthed, and gave a half-hearted wave. He was moving quickly like he had somewhere to be, like the inconvenience of being hit wasn't enough to distract him from that morning's business. I just stared back at him. I didn't feel as though I was programmed with a response to this sort of thing. I just stared, empty, and then hit the gas and drove off.