As any dog owner will tell you, dogs are awesome! They don't judge you if you quit running on the treadmill five minutes before you're supposed to. They don't roll their eyes when you reach for your second donut. They are willing yes-men who make you feel good about yourself. They are loyal, fun loving, and generally great to have around. However, dogs also come with responsibility. For the sake of both you and your future best friend, you should do some homework on deciding which type of dog to buy. Here are some dog guidelines to think about before purchasing your pooch...