Alignment with clients: A contract outlines what your services do and don't entail, your responsibilities, and when and how you receive payment. We have created this guide to help get you started with some of the most crucial items to include in your dog walking contract.Create and download agreements for free! Dogs wag their tails when they are excited. If your dog moves his tail from side to side, that means he is happy to see you. What does pacing mean in dogs? Dogs can pace because they are stressed, painful, or anxious. Chocolate brown dog poop is normal, while dog poop colors like orange, green, or gray may signify issues with such organs as liver, gall bladder, or pancreas. And I want you to know what happened because hemangiosarcoma, a dog cancer, is very common and often shows no symptoms until it's too late. In dogs, severe liver failure can cause dysfunction in many different systems and may even affect important organs like the brain.