In the cookie cutter metaphor, think of the class as a cookie cutter and objects as the cookies.
Perhaps they will lead Roger to commit other crimes and do other devilish things, or perhaps they will weigh heavily on his conscience as a result of his dishonest means of procuring them.
In this book it is saying how buck is Misunderstood and that in the real world people and animals are misunderstood
As Morrie's body deteriorates, so does the condition of the hibiscus plant. The plant's pink petals wither and fall as Morrie grows increasingly dependent on his aides and on oxygen. As his death approaches, so does the death of the plant. It is continually used as a metaphor for Morrie's life and for life itself.
