When Tom Owen’s Caye, a one-acre island in the middle of the Caribbean Sea, came into sight it really did look like the set for a Castaway movie. It was an idyllic paradise of tall coconut palms, golden sands and little round cabanas. This was to be my home for two weeks. There were 17 other ‘castaways’ on the boat and a separate boat with a crew of 12. Accommodation was basic, as expected. In each cabana was a raised stone platform with a mattress on, and not much else. Showers were cold rain water and the generator for electricity was switched on at 5pm for a few hours. Most importantly there was absolutely no WIFI nor phone signal. I knew that this was going to be the longest I had ever been disconnected from the outside world. The rest of the group were mainly in their mid-twenties, of all…