“My hair, freshly cut and dyed. My skin, glowing and Botox smooth, despite the horrific lighting in this place. My body, trim and thin underneath the designer workout gear. My wedding ring, still in place, the large diamond glittering from my hand like a spotlight.”

Neena’s dyed hair, Botox-smoothed skin, designer workout gear, and the “spotlight” of her large diamond ring are evidence of her superficiality. Despite being interrogated for attempted murder, she remains concerned with conveying the appearance of youth and wealth.

“Pull out that prom-queen smile. […] Only no poison this time.’”

William says this to Cat, teasing her about an old high-school rumor: that she was elected prom queen because she poisoned the other contestants with laxatives. The reference to a “prom-queen smile” implies her smile is fake while the mention of poison foreshadows Cat’s poisoning herself with antifreeze.

“Dana had paid for her loose lips with an accidental electrical fire in her she shed, followed by a well-timed Great to see you again, hope all is well note on embossed Winthorpe stationary.”

Here, Cat describes her reaction to Dana, a high-school classmate, telling William about the rumor that Cat poisoned the other prom queen candidates. The rumor reveals Cat’s ruthlessness (or at the very least, that others believed her capable of sabotage) and foreshadows her revenge against Neena.