I had the idea years ago and the chance to build it, and I talked myself out of it. Last month I saw someone else's version of basically the same thing, and it is taking off. I keep looking at their story and thinking that could have been the life I chose.
More people experience this than they realize.
You had the chance to build something of your own and didn't, and someone else did.
If this sounds familiar, the Library can help you find the bigger picture.