Substance.

It's interesting. What is? Nothing really. Then why bring it up? My body looks good in this light. The light is perpetuating fiction. That's what she said. It's interesting. What is? The dog with the big nose. Don't all dogs have "big" noses? It's interesting. What is? The fact that the acid is burning the desk. It's interesting. No it isn't. That's true, but it's all a matter of subjective perception. It's interesting. What is? Working with the disabled. Is it really, or are you just codepependent? It's interesting. What is? The blimey rationale that keeps usurping my logic. It's interesting. What is? Going insane. How do you know it's happening? How do you know that it's not? It's interesting. What is? It's just interesting... that's all.