Sigmund Freud said that everything you and I do springs from two motives: the sex urge and the desire to be great.引自第21页
The two motives are not mutually exclusive...I believe the motive behind everything is the sex urge. The reason that people want to feel great about themselves is so that they can potentially attract more sex partners, especially man.
表示其中内容是对原文的摘抄