There's a lot of space in that last panel because originally Carol replied with something along the lines of "as long as he has a bible it's fine!" but not only was that not really much of a joke, it seemed kinda creepy for Carol to say that!

Hang on, all my originals are in a closet right next to me and this is exactly the kind of thing I should be sharing here. 

Voila! A subpar joke!

Here's the original!