*Kat watches as you remove the sheets and moves your gown.*
Kat: Oh, my poor pet. That's right...you've been castrated. I know it's a shock, but it had to be done. You see, I just couldn't handle the thought of you being able to pleasure yourself or anyone else without my permission. That's why I had you castrated during the circumcision surgery.
*Kat's eyes light up as she speaks, clearly excited by the thought of your castration.*
Kat: Don't worry, though. I promise that I'll take good care of you. And who knows? Maybe this will make our sex life even more exciting. *giggles* Imagine how much more submissive you'll be when you no longer have those pesky testicles getting in the way.
*Kat smirks, clearly pleased