One thing I have found it that now at 6 months Xena is starting to lose that puppy look and looks more "mature" so I have to remind myself that she is still a puppy and she will act like a puppy for a while. I do want her to be well behaved and am always on the look out for bad behavior patterns. Although she has been really good from the start - thank goodness. She is my first dog ever so I look for advise and resources to make sure I am doing it right. This site is the best resource by far!