When Samantha wants to know more about her mother,Ruth,all Simon will say is that she had no faults beyond using his tooth-brush. She then goes to Nell and Derek for more information but Simon has primed them not to mention Harry. Eventually she learns from Simon that Harry was the man Ruth dated before he married her. Ruth had asked Simon to teach Samantha to abhor violence,and she promises she always will. She also stops using his tooth-brush.
—don @ minifie-1