[header] How to live on a deserted island [title] Stay calm. [step] The most important thing for you to do at first is to remain calm and try to think clearly. If you start to panic, you can lose control and end up forfeiting your chances of survival. 
You won't do that well if you've driven yourself crazy. William golding's novel' pincher martin' is a great example that illustrates how you can't do anything unless you' take control', because the main character in the story lets panic get the better of him.