[There's a small pause as Teddy considers that.]

... You know, I've thought about it sometimes. [Mostly through talking with Billy, as their geeky tangents can touch onto some weird subjects.] Maybe they're like us and have to cut holes in the back of their clothes. And they have to sleep on their sides, or their stomach... [He grins at a sudden thought.] Hey, imagine that one's right behind the other, and the other turns and smack, face full of feathers!