American Psycho by Bret Easton Ellis — Read

Later, the next night in fact, three of us, Craig McDermott, Courtney and myself, are in a cab heading toward Nell's and talking about Evian water. Courtney, in an Armani mink, has just admitted, giggling, that she uses Evian for ice cubes, which sparks a conversation about the differences in bottled water, and at Courtney's request we each try to list as many brands as we can.

Courtney starts, counting each name off on one of her fingers. "Well, there's Sparcal, Perrier, San Pellegrino, Poland Spring, Calistoga. " She stops, stuck, and looks over at McDermott for help.