I've been in the process of socializing my Husky mixed dog at the dog park. Trained and well-disciplined Pitbull's get along with the rest pretty well, but the untrained ones are constantly going for the necks and collars of other dogs. It's quite irritating and as soon as one shows up that is clearly untrained, the park empties within minutes. Edit: There's a whole lot of crazy in the comments below. If you want to see the warning flags of mental health deterioration, continue reading.