Hehe... She almost regretted saving one of her friends from a monster because they both liked the same boy. It's pretty stupid. But she didn't think so, especially when she found out we're just corpses piloted around by our Soul Gems. She got it into her head that fighting Witches was the only thing she was good for anymore, and she wasn't even good at that.

[Kyoko stares at the ring that's now on her right hand.]

She gave in to despair and became the very thing she had been fighting. That's how Magical Girls work, the more people we help with our wish, the more people we curse when we become Witches.