I have kind of a sad one.
Over many discussions with one of the senior (equity) partners at my most recent employer (public accounting firm), I've come to the conclusion that he has very little in his life except work.
When he talks to the newer staffers, he mentions how much better the money is in public accounting. He talks about working your way up in the firm to reach partner, "putting in the hours" and such. He and his fellow partners did work hard to get to where they are.
What comes out more slowly is that they are all pretty miserable. Half of them are divorced, and one of them is multiple times divorced. During Tax Season they work 80-hour weeks. During the balance of the year their weeks vary from 40 to 60 hours. Their biggest clients have the partners' personal cell numbers and don't hesitate to use them. They are always on call, even on vacations during times with no tax deadlines.
What does this partner have to show for this? He has a big, fancy house in Rich Part of Town. He eats primarily restaurant food. He has had Big Boat for going on 5 years now (looking it up, Big Boat probably cost almost $300K), which he has used a small handful of times. He has a wife who works similarly excessive hours. They have a few kids (who raised them?). And now the health effects of his job are increasing more and more. Wife wants him to retire. He has no idea what he would do if he retired. All his mental focus is centered around this business.
The partners don't understand the mentality of staffers who are NOT shooting for partner. They seem to miss the value of staff who are willing to reach a mid-manager level and stay there. They see it as disloyalty/slacking if a staffer wants to always be out the door on time (not early) to have dinner with family, even if staffer comes in early to keep up the hours. And thus, only "superstars" who put in stupid-long, visible, late hours get noticed and rewarded. Thus, turnover is really high.