Interesting concept. Reminds me of how there seems to be alot of people who know what they don't want but ask them what they do want and they can't answer. By focusing on the negative, they are manifesting it in their lives. We have to be so careful what we order from the universe. It hears all our thoughts. I don't want cancer....it hears cancer and is happy to deliver...words like 'don't' are meaningless. The universe works on the universal language of symbology. When you think the word cancer and feel scared, that is the order you are giving so that is what you manifest: an experience of cancer and fear. Of course this is a very simplified explanation of a much more complex process. When you think about it though, when you repeat something or practise it regularly you become better at it. So when you continuously focus on not wanting cancer because it makes you afraid, guess what you are creating? It pays to be clear on what you want and focus on that instead. Instead of thinking the worst - expect the best!