Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to reduce anxiety in dogs [title] Avoid reinforcing your dog's anxiety. [step] It's natural to want to comfort your dog, stroke his head, and speak soothingly to him. You may even be worried if you're both dealing with a stressful event, like an operation at the vet's.

Ending1: Remember to treat this puppy right, and in the coming weeks, you can ease his stress with some of these techniques : [substeps] Walk your dog to the vet for regular veterinary exams every so often to check on his health. Avoid places your dog usually associate with feeling anxiety. Ending2: However, just being present during an event offers a feeling of safety for your dog, and also enables him to feel less anxiety. [substeps] Your dog can learn to recognize you more in human interactions, if you make it a habit. Ending3: However, even needing to spend a few minutes every day protecting your dog during an operation can be reinforcing anxiety. Try training your dog to redirect his response to what is about to happen. Ending4: Unfortunately, your dog can pick up on your anxiety, making him feel like the situation is out of control, amplifying his anxiety. [substeps] Don't give your dog treats or respond with hugging or petting.

Answer format: ending1/ending2/ending3/ending4