It's kind of like riding the train, he thought. I'm just passing through these ponies' workdays, and in a moment they'll go back to what they were doing, as if I were never there. He saw a mare look up from a small vegetable garden, while a stallion walking a dog paused as they went by. A second later, the absurdity of what he'd just seen registered, and he banged his head on the glass to get a second look, which was still unmistakably was a stallion with a leash in his teeth walking a dog.