Although Nick was hypnotized with her voice and her story, once she finished talking he believed that she has cheated him, and that she has been pretending all the time, then he even said that she didn´t like Gatsby's parties because they were fake, they were for a momentary emotion.
Explanation:I don't know the context that the question was asked in but a palace car is a luxury railroad cart with commodities such as bed, food and clean furniture. This is only used for wealthy individuals.