It was the first major test of Biles’ hard-won mental toughness in Paris. Everything had been laid out so perfectly for a storybook comeback narrative: from heartbreak to glory in three years and the heroine wins in the end.

Instead, that slip off the beam showed that even this version of Biles was human – a fact that she had made some forget with her dominance in the first three medal events in Paris.

The tension was thick inside the packed arena as Biles took the floor for her final performance of these Olympics. And Biles cut through it as best she could, her power and speed on full display. But those unique defining qualities come with a drawback: physics. Two moments of stepping out of bounds cost Biles six-tenths of a point – enough to hand the gold medal to Andrade.

Disappointment in the result, but not in herself

But as much as the mental health work that Biles did in the years since Tokyo prepared her for competing in Paris, it prepared her even more for this moment: defeat.

A night earlier, American Noah Lyles pulled out his bronze medal from the 200-meter dash to explain that his third-place finish in that race was all the motivation he needed to win the 100-meter dash in Paris. It’s the type of motivation that many great athletes look to – getting fired up by losing, looking to make sure it never happens again.

After her two most disappointing finishes in Paris, Biles was not angry. She was not down, she was not depressed. She didn’t beat herself up for stepping out of bounds on the floor.

Instead, she kept perspective and seemed almost serene. She was disappointed not to win, but not disappointed in herself.

“I accomplished way more than my wildest dreams – not just at this Olympics, but in this sport,” Biles told reporters. “So I can’t be mad at my performances. A couple years ago, I didn’t think I’d be back here at an Olympic Games, so competing and then walking away with four medals, I’m not mad about it. I’m pretty proud of myself.”

It was a revealing statement. Ultimately, that perspective, that serenity, is what made Biles the force in Paris that she was.

In the biggest moments, Biles did not crack. When she stumbled, she stood back up. When there was a question to answer, she made sure it was answered emphatically. And when it was all over, even on a final day that ended without the gold that she wanted and many expected, she looked at it all and realized it was still sublime.

So, maybe Biles didn’t win as many medals as she did in Rio and didn’t leave with as much gold around her neck as she’d have liked. But, as she said, Biles came to Paris, did her job and is leaving with her mind at peace. And that is worth more than any gold medal.