You have to study your field and you have to find out how other people do it, and you have to keep working and learning and practicing and ultimately, you would be able to do it.
Once I had all the facts in, I found I didn't have the immoral courage to pull the caper. So I wrote it as a story. As a teenager, I didn't have any skills for writing as such, so it came out in 1500 words.
