Imagine this scenario…you and I are out on a boat fishing in the harbour.  Not too far out, maybe 250 metres or so.  We’re not wearing life jackets but we’re having a great time laughing and joking when out of nowhere a freak wave appears and topples the boat.  We both go flying into the water and, almost at the same time, we reach the surface.  Now you’re a confident swimmer and you come up laughing and joking, “Where did that come from?” (more…)