Chapter 5;

At Foster's apartment building, they eat before heading to the Westminster Abbey Cabaret. After taking several doses of soma. They attend the show "Calvin Stopes and His Sixteen Sexophonists." They return to Foster's apartment and prepare to sleep together. Even though the soma has put Lenina in a hypnotic state, she remembers to take her contraceptive drugs because years of hypnopaedic drills have "made the taking of these precautions almost as automatic and inevitable as blinking."