I am petting the dog, a black Lab, smacking her “hind quarter” and scratching her belly.
R — Does she like it when you smack her bottom?
Mom — I think so. I don’t think she feels much of it.
R — Why not?
Mom — Because she has such a thick coat of fur. Dogs have thicker skin.
R — Why? They need extra padding? Is it because they’re so clumsy?