It creates a sense of unpredictability, and we hate that because it makes us have to think about what you are going to do or say next, and we get uncomfortable.

FORBES: Three Methods of Persuasion You Can Copy From Obama and Romney (and one from Joe Biden that you should not copy)

They did say that I would be able to go home on Friday, but now they think it might be next Tuesday or Wednesday, which is fine by me.

BBC: NEWS | Health | Web diary: Breast removal