Good question Bingo. I have to say though, as I've got more mature, the lure of the family and balance is a lot stronger than when I was younger and hard-charging in career-building mode.As you progress, the hours do diminish a bit, but the types of challenge and stress you face are different. Some people are better equipped to handle different types of pressure, though so it's hard to generalise on a topic like this.As a parting note, I've heard it said that the problem with the rat race is that, even if you win, you're still a rat.