A client was upset with the website I created for them. 

Me: I did everything you asked me to, what is the problem?

Client: Our competitor has a slide show of all their products! I want that!

Me: I can put in a slideshow for you, just supply me with the…

Client: No! I want THAT slideshow!

Me: You want me to take the photos off of your competitor’s website and put them on yours?

Client: Yes.

Source: Clients from Hell