Oh, I am glad that you enjoyed it. You can read others too. I will be posting more of my work from Quora to here.
Coming to the idea, I always get such ideas. I write because I don’t want any of them to die with me. I can look at simple things, and then imagine of possibilities and voila a short story comes up from nowhere.
As a kid, I used to kick small stones on my way home. That is true. Rest of it is my imagination.