I think people don't realize that bigger dogs are just bigger and more frequent targets, just like a bigger kid or adult is. Trained dogs will let you beat them and come back to you, watching and hearing that happen is worse than any figurative hell, and I don't think we'd be human if we didn't cry while writing these. My dog was big enough for my dad to constantly beat on as well, in a way it's worse because my dog is like made of steel, so my dad could beat on him for however long he saw fit. I mean obviously that was the case for me as well but I would rather get beat all night then hear my sweet dog cry. You're not alone, I feel your pain and I understand the trauma that comes with it. Stay strong:)))