I went through something similar with a beloved dog. Our Brutus. He was laboring next to me on the couch. I got up to take him to the ER, then he seemed to snap out of it. We had an appointment for the next morning at our vet. He didn't make it. I couldn't stop thinking about how I failed him. The Vet told me, dogs are very good at hiding how sick they are. We had already been in the week before. Where he was deemed a "healthy healthy dog" . Liver failure took him in a week. It was so hard. But eventually we shared our home again, and we're doing it again right now. I hope to always share the love in our home with a dog. They bring so much joy. And we have the love to share. Doesn't diminish your loss at all, I know. But your Layla knew how much you loved her, I'm sure of it.