It is hard to get an early diagnosis of lyme disease in animals including your own dog and puppy. This guide walks through what to look for when dealing with lyme disease.
"How much is that doggy in the window, the one with the waggly tail...?" Familiar words to an old tune suggests that many people at one time or another consider having a dog as a pet.
Teach your dog to sit whenever you ask him to. Sit at the kerb when you cross the road. Sit in front of you. Then when he runs at you, or anyone else, if told sit he will sit.
BUT it has to be practised, and used constantly, not just now and then.