@emilyissocial: The ideas is this: When you first arrive somewhere new, the rewards come fast. But sometimes, they diminish over time. So when is the optimal moment to leave? According to the theorem, it’s when your current rate of return drops to the AVERAGE rate you would get from the available alternatives. Not below the average - just the average. Meaning you don’t wait for it to get bad. Birds do this intuitively. They don’t overstay, they don’t leave too early. The follow the math almost perfectly. The hard part isn’t knowing when to quit - it’s accepting that where you are isn’t special just because you’re in it.