> That sounds like an intense schedule for sure but not really that insane

I'm not sure what disqualifies that as insane, but it pretty much precludes any social life. I'm on-and-off doing these kind of hours (sometimes work takes over life, sometimes life takes over work), but when I do these kind of hours even when I'm not working my brain is still thinking about work. I can't imagine doing this for decades at a time, this is truly a life dedicated to work. But I agree that you can't achieve great things without sacrificing your life.