Many people already treat their pets like humans, and now it seems pets are actually replacing humans. More Americans are getting dogs instead of having babies!  As birth rates have declined over the last decade, ownership of small dogs- those that weigh no more than 20 pounds- has increased.  In fact, tiny dogs are now the most popular kind of pet dog in the country.  Babies may be cute, but so are dogs, and you don’t have to change their diapers. Maybe this is one reason: