<P>Parenting a puppy is hard!<P>It's dirty and messy and you won't get much sleep. But you won't care with that cute little puppy nibbling at your heels. At least not until it also nibbles on the rug the computer cord and your favorite pair of shoes.<P>Don't worry. It gets better.<P>But in the meantime check out this guide for some quick tips on how to make that little bundle of fur that keeps puking up strange things and loves to get up at three in the morning a bit more manageable.