I think this is how it happens....

[hhmoore]

First the grownups meet, and head off for a little private time


Then, they have a litter (I would have guessed maybe one or two; but I was wrong)

 

[Andy the Aussie]

LOL... you may be onto something mate... and a great $$s making opportunity.... I am going to stick my two NMFBMs in a quiet and comfortable place to see what transpires now...!!!!!!

 

[rwdata]

Now that is funny!

 

[Hard Knocks]

Careful they multiply like, well, er.....Rats.