I guess you must really love your dog. You must think your dog as nature and help to release your stress all the time. It would be great if i have a dog and think it that way. Your work is pretty descriptive, and it clearly shows that you know how to unify nature and you. It might be a helpful if you put a picture of your dog, so that it can be more captivating. In general, i think you did a good job and i can't think of any comments to improve your essay.