[walrus01]

Sort of, yes, and also because it seems like you are already considering some sort of drastic change in your work life, lifestyle and location. I thought I would throw a wild idea out there as a possibility to keep in mind as one sort of path to go down, if you do decide to make a clean break from the present reality.

You say you can't be caged into a corporate job, and if you already founded something, you know you can be self motivated for projects you find interesting.

The following is just my personal opinion on level of stress but also 60-70 hours a week is way too much, in general. I can get more done in a focused 40 hour work week without burning myself out. Leaving enough time for other activities and hobbies.