The+Elevator+Scene

What?
 * Continues to establish that sex and a date is not a taboo topic
 * Reaffirms that monogamy is a thing with the past
 * Reinforces the social hierarchy
 * Shows how Bernard Marx has a different thinking than the others of the World State
 * Uncomfortable talking about sex in public
 * Uncomfortable that she is publicly declaring that Henry is not the only one she's been with

Why?
 * Shows the daily goings of the World State
 * Gives the reader an idea of the characters and how they behave with one another
 * Shows how Bernard is different, with his discomfort.

How?
 * Huxley makes it a point to show inner dialogue and external dialogue between Lenina and Bernard
 * Describes the characters physical attributes
 * Bernard's face pales, Benito's chest hair (a moment of recall from a night spent with Benito from Lenina)
 * Describes the lift man as an Epsilon-Minus
 * his meek voice and clothes, inferior to those of the Alphas