 They can help you to pick a working line dog that can get the job done. You wouldn't want to get a Shih Tzu if you needed mobility support. You wouldn't want to get a Shih Tzu if you needed retrieval support. So know what you're doing so the dog doesn't get returned because that gives the dog, the more you return the dog, the less chance of him becoming adopted. And the more you return the dog,