Quote Originally Posted by fishmommy
I would think that since boas give live birth and pythons lay eggs, that a pairing would be impossible.

I am just speculating though.
I don't think that would be one of the reasons why it could not stop. I would think that the offspring would come out however the female normally does it. If you bred a male ball with a female boa, the offspring is still being fertilized and in theory she would give live birth still.