What was the first moment that you began to suspect Kristen was not the person Emily thought she was? What roused your suspicions? In contrast, what were some red herrings surrounding Kristen?

How would the novel change if it were narrated from the third person rather than from Emily’s first-person perspective? What might the narrative lose or gain with such a switch?

The theme of unhealthy obsession in women is recurrent in popular culture. Think about the similarities between Kristen and protagonists in films like Fatal Attraction, Misery, or Single White Female. Does popular culture portray unhealthy obsession as a uniquely female tendency? If so, why? If not, what are some stories featuring obsession in men? Is that obsession portrayed similarly or differently?