You make a good point in your "You shouldn't be starving[...]" sentence -- One of the biggest productivity killers in my life is dealing with, or even worrying

You make a good point in your "You shouldn't be starving[...]" sentence -- One of the biggest productivity killers in my life is dealing with, or even worrying about personal finances. As a founder, if you decide you want to go get a few beers with friends and grab dinner, you shouldn't then have to worry about how you're going to recover the $30 you spent outside your budget. The key here, I think, is to pay yourself "enough to live in a manner that allows you to focus solely on your business and productivity."