A 91-second Reality Check: Why early success is the most dangerous kind

This post is an early version of a thought/anecdote that eventually made its way into my book, Sovereign.
Grab a copy here.
In 1988, Michael Spinks walked into a boxing ring undefeated. His record was perfect: 31-0. He'd never even been knocked down in his professional career. He was the golden boy who'd moved up from light heavyweight to claim heavyweight gold, outfoxing every opponent he'd faced.
91 seconds later, Spinks was on his back, staring at the ceiling. He would never fight again.
It's a powerful reminder of what can happen when our internal narratives collide with reality. In Spink's case, reality took the form of a 21-year-old Mike Tyson.
Spinks wasn't delusional. He was legitimately great - an Olympic gold medallist who had successfully moved up from light heavyweight to become heavyweight champion. His confidence wasn't built on fantasy, but on a foundation of real achievement. He had solved every problem the ring had presented him. Until he couldn't.
This is what makes confidence so dangerous. When it's earned through consistent success, it feels unshakeable. Each victory becomes evidence of invincibility. Each problem solved becomes proof that all problems are solvable.
But reality doesn't care about your track record.
Sometimes, everything you know still won't prepare you for the one thing you don't. As Mike Tyson would later famously quip, "everyone has a plan until they get punched in the face."
As much as you know, realise there will be things you don't. As competent as you are, understand that you may eventually run into a problem you're not yet equipped to solve. The trick is not losing composure completely when reality strikes.
The fascinating thing about the Spinks-Tyson fight isn't simply that Spinks lost. It's that his entire framework for understanding reality collapsed in less than two minutes. All his skill, all his experience, all his previous solutions - none of it survived contact with Tyson's first punch.
After the first hit, fear set in. It camped out in his hippocampus and slowly spread through his body. It sank into his bones, making him slower and weaker. It cemented his defeat. And the fear didn't leave his mind once the bout ended - it drove him into immediate retirement.
It's easy to spin elaborate theories about why we're different, why our approach is special, why the rules don't apply to us. We mistake our streaks of success for laws of nature.
Confidence should make you bold, not blind. Your expertise should make you effective, not invincible.
Sometimes our most important lessons come not from our successes, but from the moments when our narratives encounter the concrete wall of reality.
The question isn't whether you'll have your own 91-second reality check - reality comes for us all eventually. The question is whether you'll learn from a hard knock and adapt, or allow it to crush you.
You can be great without being invincible. You can be confident without being delusional. You can trust your abilities without believing you're immune to failure.