Retirement is often portrayed as the ultimate reward-40 years of hard work culminating in freedom and financial security. But for many, that vision quickly fades.

One reader, who retired with $680,000 and a paid-off home, found himself Googling "is this all there is" at 2 AM just three months in. His story highlights a rarely discussed truth: financial security and psychological purpose are two separate challenges.

Psychologists refer to this as the "arrival fallacy"-the belief that reaching a milestone brings lasting happiness. Research from the Institute of Economic Affairs shows that retirement increases the risk of clinical depression by 17%.

Work offers more than income-it gives structure, social connection, and a sense of purpose. When that vanishes, even a comfortable bank account cannot fill the void.

"Money solves money problems," says the author. "But it can't solve meaning problems."

The shift from identity tied to work to identity as a retiree is jarring. Without the daily sense of utility, many struggle to define who they are now.

Successful retirees often prepare in advance-volunteering, leveraging past expertise, and investing in relationships. The key lies in creating new structures and cultivating a deeper sense of contribution.

Some find the discomfort of questioning their purpose valuable. As David Brooks writes in The Second Mountain, the second phase of life involves moving beyond ego-driven achievement to service and connection.

Retirement is not an end-it’s a chance to climb a new mountain.