How to Survive on an Island

If you get shipwrecked on an island, what should you be doing in order to survive? Here's Quiz-like moment here. What is the first thing that you should be collecting in order to surviving? From the aircraft? You're on an island. Food would be a good one. The eight single CDs that I carry with me everywhere I go. A copy of the Bible that you always have. And what would your luxury be? A lovely bottle of Tabasco sauce. No, no, no. A lifetime supplier of Marmite.