I never thought I would cry that much, especially not in front of so many people. But when Rex, my uncle's retired K9 partner, jumped on the casket, I lost it. Uncle Mateo, a tough combat veteran, had Rex, his devoted German Shepherd, after serving two tours. Rex had probably saved his life more than once. The two were inseparable, even continuing to work together in search and rescue for another five years after leaving the military. When Uncle Mateo passed away from a heart condition, we all k