We adopted Patrick at the human society a little over 3yrs ago. He's about 10yrs old and is a very cuddly wonderful dog with a nice smile. He doesn't do well with any men. He'll bark and lunge towards them. He has severe separation anxiety and barks if he's left alone. He also barks if there is a lot of noise or excitement. The last time we took him to the veterinarian, there were signs he had ...