I'm glad you don't because it's not a good thing...

[At least she's not pretending.]

I didn't really get a choice. I opened a box from Sundries one day and I just instantly became a dog. It scared the hell out of me, actually. I ran around crying for help all day because I was so scared I'd never get to be human again. Obviously, I eventually learned how to shift back and now I can do it at will. But this is the shape I got stuck with.