Peter Drucker once wrote “The only way to discover your strengths is through feedback analysis. Whenever you make a key decision or take a key action, write down what you expect will happen. Nine or 12 months later, compare the actual results with your expectations. I have been practicing this method for 15 to 20 years now, and every time I do it, I am surprised.” It’s a simple idea, but in practice it’s surprisingly hard to do consistently. People forget what they thought, lose the original context, or never quite get around to doing the retrospective analysis. But
