A 1 in 3,000,000 chance of becoming a human being.
Testicles.
A transplant.
Two. 1 to screw it in, and 1 to complain that it's not dark enough.
Because they like to get in touch with their inner self.
Nobody will look for them.
1 in 50 million has a chance of becoming a human being.
A:They both have a one-in-a-million chance of becoming a human being.
It's testicle physics.