Hee hee, interesting. The negative thoughts and emotions become animalistic entities known as Noise, and they're all aggressive to those who can see them. Some also effect people's thoughts, making them more negative.

[Ahhh, the stories this old man can tell.]

Death happens, whether we're ready to face it or not. Whether we deny it or not. Nobody can escape death forever.

[Joshua usually wouldn't care, but he'll make an exception this time. After all, now he's intrigued by the mechanics of Riku's side of the 'verse.]

Well, we can talk over the SFC, or I could go over to your place. Which would you prefer?