to breathe. but i doubt everything i can doubt, and i know many other people do that too. but you don't have to do that. if you feel like taking that other route, why don't you take it. it can be difficult to see if you do the right things, so pay attention to all good things, like standing less in traffic jams.
you can develop it by automatic writing. take a pen and a piece of paper and ask yourself a question. write whatever comes into your mind in response, but don't allow your mind to think about the information you're getting.
another way to further develop is to use this 