Similar examples can be used by replacing Usain Bolt with Michael Johnson, Carl Lewis, Magic Johnson, Tyson Gay, Terrell Owens, Jerry Rice, and That Black Guy.
* A method in preventing any little mistakes.
* When the 'pull & pray' method just might not be enough
* When a girl lies about being on birth control because she wants to prevent weight gain/stretch marks/loss of libido/a fleeing spouse, because she can rely on her Vitamin-B
* A must have vitamin which prevents unwanted pregnancies, parent-hood, and must be consumed after unprotected sex. There is a high risk of mood swings and uncontrollable pms mood swings amongst females.
* A great excuse to have sex without being on birth-control, or if you forget to wrap it up.
John - "You're on birth control right?"
Cindy - " no."
John - "I just came."
Cindy - "Don't worry about it... I'll take a Vitamin-B."