They're cute, adorable as heck, and as many people know, a lot of work. From the moment your new puppy comes home, they're learning where they fit in. Considering that they've only been alive for a couple months, it's understandable that they need to learn what they can - and can't - do. There's potty training, of course, but one of the biggest issues owners seem to face with a puppy is the dreaded chewing stage.