I came across this technique in a Coelho book, maybe The Alchemist, 20 years ago and I liked it. However, I have literally never been in a situation where I had

I came across this technique in a Coelho book, maybe The Alchemist, 20 years ago and I liked it. However, I have literally never been in a situation where I had some hidden desire I didn't know that was brought out by a coin flip.