Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat arthritis in rottweilers [title] Watch your rottweiler move around. [step] With arthritis, your rottweiler's joints start to break down and become inflamed. The subsequent pain and discomfort will likely keep him from being able to move around like he used to.

Ending1: For example, if he used to run and greet you at the door, he may now walk slowly towards the door or just stay where he is. If he used to walk up and down the stairs easily, arthritis may make him more cautious about using the stairs. Ending2: Looking closely at your rottweiler's joints can help you determine how to proceed. [substeps] Rottweilers, on the other hand, will generally walk around as dogs would when they were arthritis-bound. Ending3: Tension may also build up due to how often these joints are let out. However, joint damage is not a permanent problem and will resolve itself within a week or two, just make sure that you consistently monitor your rottweiler. Ending4: However, some injuries are more severe than others, so pay attention to these and see how your rottweiler moves about and walks around the house. [substeps] Once the arthritis has subsided, while still causing pain in your rottweiler, he may not be able to walk right in front of the furniture.

Answer format: ending1/ending2/ending3/ending4