Every single vibration he gives off is, "Hello! I am an adorable puppy who just followed you home wagging my tail all the way, will you be my friend and play with me? Oh, and do you have biscuits? I like biscuits. And Doctor Who. Let's watch Doctor Who together and play fetch, please please?" I think this means he is actually either the biggest bastard in the world or too damned nice to live, no points in between.