Am I An Abusive Dog Owner?

Am I An Abusive Dog Owner? Tucked tail, flinches at human contact. Unexplained fractures or limping. Unprovoked aggression, whining, or whimpering. Overly submissive (rolling onto back, tail tucked, urinating) Suddenly avoiding any physical contact. Attempts to bite or scratch when petted. Do dogs still love abusive owners? Although dogs are extremely loyal, part of that