All right, they're contagious!
 
There once was a ferret named Spice,
Who thought balls were really nice,
He'd be a good boy,
Till he could steal the dog's toy,
Then into the box with the ball would go Spice!
 
Now all the other kids want their own limericks.  I think this is like
ferret math.
 
Sara and Kurt and the eight fuzzies
[Posted in FML issue 1868]