When you first bring home that little furry friend, you want to be with it every second. You are there for it day and night and the constant care of this new pet is almost like a new job you have acquired overnight. From day one, this puppy or kitten has won you over; you make special trips on your lunch breaks to check on your pet, you make sure you have everything they need, and you are allowing your dog/cat on the bed to sleep with you. You are even finding yourself adapting to their habits of sleeping, eating and playing. The PETS have won from the start!
This article from Courier Journal.net talks about if allowing your pet to sleep in the bed is good or bad. http://www.courierjournal.net/article.php?article_id=1666