Our new greyhound has become very clingy. We made the mistake of showering her with attention and letting her sleep in our bed. Now I think it may be turning into SA. She whines a lot when we leave her in the crate, even when we are in a different room. It makes me sad because I want to pet her all the time if she whines. But I know that makes it worse. How should we go about treating her? We have only had her for 4 days. We live in a small apartment also, so it's hard to keep our distance. I have read in a few books that you are supposed to ignore them and show "tough love". Practically what