My father is a marvelous mentor, and if you're going to have a mentor, the ones that work best let you make your own mistakes. You're ready to do your own thing and just at that moment of being unbridled, if somebody's trying to manage you too tightly, it's going to be tough - particularly if that person's got the same last name.
I'm a spreadsheet guy. But you get to that moment of truth, and it has nothing to do with a spreadsheet. You've got to factor in what your competitors are doing, what the technology is doing, what your shareholders want, what your employees want, what your customers want, and you've got to make it happen sometimes.