I'll just get this straight up front - this is not a sappy tribute to our recently departed dog. Dexter was indeed an awesome dog, and we got him when he was a puppy: Although most folks would remember him in his natural habitat: He lived 10 years, which was several years beyond our expectations (Cavaliers are not the hardiest of breeds), and he had a good run. In the end, euthanasia was the best choice as cancer made him increasingly uncomfortable. I have no regrets. What did surprise me, and I have thought several times since that "I wish I knew that ahead of time," was the actual euthanasia process at the vet's office. We have awesome vets. Those guys are willing to do anything it takes to fix an injured…