Every place in the country you should get a license that shows you know how to safely store it, keep it away from your children or grandchildren. You should have to license it so the police can trace it if it's used in a crime.
I think at the beginning of a project, you decide if you're in love with the idea and what it's about, or what you think it's about at that time at least. Then you commit to it, and once you've commit to it no matter what, no matter how many self doubts you have, you're in it. The ship's sailed, you