Interesting stuff, I have heard of the concept of flow, it's very interesting. Many years ago I started a hobby, doing silk and dried flower arrangements. I distinctly remember the first time my subconscious took over and I found my hands doing something I had not consciously planned. It was an amazing feeling, like tapping into a different part of my brain. The other thing was that I found it changed how I did my regular job. I ended up coming up with a creative idea for a spreadsheet that automated a time consuming audit function, it won me an award and a trip to the Washington D.C.
That was many years ago and my hobby eventually evolved into a business with antiques and creative re-use of vintage things and I still tap into my creativity using this concept.