Of course it's just normal life to Susan, so it doesn't occur to him that it might make someone uncomfortable until he's already said it and sees Steven's face fall. But at least there's other things to talk about, things which are more interesting.

"She's my familiar! So... She's kind of an animal, but not really, I don't really know exactly, but she can talk with me in my head and do things for me and also turn into other animals. She's pretty cool! Her name is Fluff."