Some people seem to thrive on risks. Danger is no obstacle, security is no issue and caution is no encumbrance. They set their sights on their aim and their mind on the task, accepting the hazards as part of the bargain. Other people can be more cautious, weighing up the cost, thinking through the issues and evaluating the chances of success. There is no doubt that we need an element of this, but too much caution and little willingness to take risks can lead to