Well, scientists think it's because their immune systems develop more fully, thanks to exposure to a wide variety of dirt, bacteria, and germs in fermenting feed, cow manure, and other barnyard delights.
Mother was in the kitchen preparing a chicken for dinner and the younger boy and girl were in the bedroom drawing crude pictures of familiar barnyard animals on a shared slate.
While we might think oinks and squeals are just random barnyard noises, we're learning that maybe these pretty poor sign creatures are trying to tell us something.
And to understand why, to fully comprehend this little culture clash here in America, we have to leave the barnyard for a minute and flashback to something that happened back at Tamara's apartment in the city.
He supposed that he had begun to hate his wife too when he realized, after taking her from a local barnyard and marrying her, that she could never be anything but a slow-eyed, shuffling peasant.
You haven't grown a vegetable, you haven't sprayed anything with a double rate of anything and you haven't even really watched any barnyard animals go to pound town.