I would say the most satisfying thing actually is watching my three children each pick up on their own interests and work many more hours per week than most people that have jobs at trying to intelligently give away that money in fields that they particularly care about.
Patience is key for getting over a breakup. That, and trailing off your interaction after the breakup.
I sit and eat with some of the hardest working people in the business. And I observe and I try to apply it to my own craft.