Well, *I* think I'm real.  Look at me.  Look at my face.  Cut me and I'll bleed.  What more do you want?  Please don't go.

"Nightmares", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

Alt Text

Well, I think I'm real. Look at me. Look at my face. Cut me and I'll bleed. What more do you want? Please don't go.