The boat crew above begins baiting the waters, leading the ravenous sharks closer and closer, until one powerful great white lunges for a hunk of chum.
The animals had been frightened, cold, ravenous, wild as forest creatures, the strong attacking the weak, the weak waiting for the weaker to die so they could eat them.
So when you cut calories, ghrelin levels rise and insulin and amylin levels plummet, signalling your brain to increase appetite—making you feel ravenous.