The sharks in these attacks weren't interested in actually eating people. They saw something that appeared to have potential as food and checked it out. It wasn't right. This supports a theory that Greg discusses in his introduction. Most shark attacks are cases of mistaken identity.
Humans are an oddity rather than a meal.
I know several of these dry-landers. But for the rest of us, the tales are an inspiration. You just have to be thankful and enjoy every day, every moment. Speaking of enjoying the day, I sat on that Tern Island beach brooding about sharks for about 10 minutes. Then I donned my mask and fins and led my friends back into the water.