Well after we graduated, I told him of my plans for immortality. And, though he considered it to be a fanciful notion, it was also a notion that would allow him to play and experiment to his heart’s content. It became a pet project of ours, over the years, to build an automaton that perfectly mimicked the functions of a pony’s body. I provided the working knowledge of a pony’s anatomy and capabilities, and he provided the technical expertise needed to make a working facsimile of the same. 