Simone Biles, of the United States, waits to perform on the vault during the artistic gymnastics women's final at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. The American gymnastics superstar has withdrawn the all-around competition to focus on her mental well-being. (AP Photo/Gregory Bull)

Simone Biles, of the United States, lands from the vault during the artistic gymnastics women's final at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Gregory Bull)

Coach Laurent Landi comforts Simone Biles, of the United States, after she exited the team final with apparent injury, at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. The 24-year-old reigning Olympic gymnastics champion Biles huddled with a trainer after landing her vault. She then exited the competition floor with the team doctor. (AP Photo/Gregory Bull)

Simone Biles, of the United States, watches gymnasts perform at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. Biles says she wasn't in right 'headspace' to compete and withdrew from gymnastics team final to protect herself. (AP Photo/Ashley Landis)

Simone Biles, of the United States, waits to perform on the vault during the artistic gymnastics women's final at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. The American gymnastics superstar has withdrawn the all-around competition to focus on her mental well-being. (AP Photo/Gregory Bull)

Simone Biles, of the United States, leaves a medical station during the artistic gymnastics women's final at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. (AP Photo/Gregory Bull)