That's not how it works. You start writing the code thinking it will be easy. You'll be done in a few weeks. You can see it all in your head. But in fact, i

That's not how it works. You start writing the code thinking it will be easy. You'll be done in a few weeks. You can see it all in your head. But in fact, it's never done. And it takes more and more time. Now you can't justify the effort because it's interfering with the rest of your life. You need relief from time spent doing paid work to keep working on the project.