The characters were full of very recognizable and relatable human foibles. The relationships felt true, full of joy, sorrow, fulfillment and failure, and the myriad ways we express these emotions to ourselves and others. In particular, Sybil’s blunt assessments of others thoughts and actions is, at its core, projection from her inability to forgive herself. It is so poignant and heartbreaking that through “correspondence” that was never sent that neither the writer or the receiver had the benefit of that confession.