A vet once said, (not so long ago either) that the real problem was not the dogs he sees but what is at the other end of the lead.
A black Retriever bounded onto the bus with a woman seemingly in firm control. She sat at an available window seat usually taken up by a parent with a buggy. Three stops on, she did get up to make room for a mum with a buggy, and she slid into the vacant seat directly opposite .
The Retriever was quickly and excitedly all over the man already seated in the window seat. The man did not try very hard to keep the dog away. The woman gave up trying to calm the dog. It soon became evident they all knew one another very well.
I saw the black snout facing and close to the man’s face, the dog had its tongue out. It seemed odd though, it was an extra long tongue. This was one of those occasions when my eyes did not register what they saw and I was slow making the connection. Man and dog were tongue to tongue.