It is bad to eat all of the cake.
Kevin has a birthday party and his friends make him a birthday cake.
Kevin wants to eat cake.
Kevin divides the cake equally among his friends and thanks them for making it.
Kevin says that the cake is his present, takes a giant piece, and puts the rest into the fridge for himself.
Kevin and his friends all enjoy the cake together.
Kevin's friends call him greedy for not sharing the cake which they themselves made.