I was very very lucky, a couple times, with the timing of what I was passionate about and what the market was interested in. And plenty of the people I know wor

I was very very lucky, a couple times, with the timing of what I was passionate about and what the market was interested in. And plenty of the people I know work longer hours because they're so in-demand. But I think the underlying principle is sound: if you have the market power to command high salaries, most companies wont push you away for wanting reasonable working hours.