I am going to have to break with tradition here a post a serious reply. Great White Sharks don't prey on people. They do sometimes attack from below, mistaking the human for a seal or other prey, and they do sometimes rough us up a bit in the process of curious investigation, but nearly all human fatalities involving GW sharks are people on the surface, usually boarding or snorkelling. Even then, only 64 deaths involving them have been recorded worldwide since 1876.
They don't tend to eat divers, because:
a) they can see what we are under the water
b) the tank on our back makes them fart ;D
