@Linkat,
Some people are just stupid to ask "if we could bring our dog" and usually this becomes a problem. As with my family pet I could not go to my cousins wedding. Why? Because my pet is close to us and it would be traumatizing to leave the dog.
Dogs are like parrots, primates, pigs, various fish, crows, and other birds, and dolphins. They have extremely high intelligence and exhibit the same emotions, language, and behavior as most people do.
I mean with dogs they have to go with you. In fact some former students, and co-workers had their big dogs with them. Over-protected or not once you have a dog it becomes impossible to leave them with strangers who do not understand that.
In fact in the news a man with two dogs left some tiny highschooler with them. These dogs was the guard dog category, and because they were not trained to be walked, or be under strangers, she was badly injured.
Another issue with dogs is fear. Dogs can sense fear ( like girls ). You can not flinch with a dog. In order for a dog to be around children the dog needs to be introduced to people.
Again they brought the dog because it is part of their family unit. Otherwise you should just tell one to stay behind as with my family.
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Not every dog is the same, and is not a game. Your literally dealing with a human being on all fours that is unable to speak our words.