Wow, that sounds actually really great!

You should know that there are also people who are envious of your chosen lifestyle. Even though I am sure you are not always finding the balance either. I think that's the main challenge of life.

I am working in the game industry as we speak, but it's hard work and I do it every day, every week, all the time. Previously I used to be an artist. While I am extremely happy in my job, I am sometimes missing those moments of being alone with my thoughts and focusing on my creativity.

If I was you, I would start my projects as hobby projects and create those prototypes that you were talking about and start thinking about potential revenue streams. Once there is definite resonance in the form of interest from people and perhaps even publishers, and you figure out a way to generate income, you could switch to being full time indie dev.

This pdf is pretty ruthless, but it's a good starting point to check if you've thought about everything: http://www.neogames.fi/wp-content/uploads/2013/04/Fantastic_Game_Idea1.png

Looking forward to supporting your ideas when you get forward from this initial period :)