The metrics that are hardest to move are often the ones that matter the most.
Whether it’s revenue, retention, VO2 max, or increasing our max lift in the gym, none of these can be faked.
The way to get the right results is to do the right work consistently over a long period of time.
That’s it.
When a metric is hard to move, it’s more likely to be a reliable signal of the health of the system in question.