Seventy-three percent of HR leaders say their employees are fatigued from change. Seventy-four percent say their managers are not equipped to lead it. Those two numbers together tell the whole story. The people being asked to carry change do not have the capacity to absorb it. And the people asked to lead it do not have the tools to hold it.

She kept her voice even in meetings. Answered messages within the hour. Never canceled a one-on-one. By every visible measure she was functioning. But three of her seven direct reports had gone quiet in six weeks. The director came to me wondering what was wrong with her team. Nothing was wrong with her team.

He had made quarterly forecasts for eleven years. Then last October he started second-guessing every number. Rerunning analysis that looked right the first time. He told me he was losing his edge. He was not losing his edge. His nervous system had changed the operating conditions for his brain. And nobody had told him.