How is good LEADERSHIP similar to EXERCISE?

The following leadership insight has been adopted from Simon Sinek’s book Leaders Eat Last

Good leadership is like exercise. We do not see any improvement to our bodies with day-to-day comparisons. In fact, if we only compare the way our bodies look on a given day to how they looked the previous day, we would think our efforts had been wasted. It’s only when we compare pictures of ourselves over a period of weeks or months that we can see a stark difference. The impact of leadership is best judged over time”