"Well, I guesss I could see how someone would think it disgusting on first glance. Over... what's the word..." Pip snaps a few times. "Er... OVERTONES! Yeah. Overtones of bestiality. But we equate so many other things of human behavior with animals. Lots of martial arts are based on animals. We say that someone is "strong as an ox". Why not sex? It's one of the most basic human drives. Hell, it's a basic natural drive. And animals are how we represent nature, right?"