Sentence:  The worst part, they agreed, was having to pretend to feelings they didn't have because that's what the Red People expected. "We were a pair of comrades discussing a decade each of <WSD>self-rape</WSD>," Donna says, "a pair of prostitutes talking trade." 
Meaning of the word marked with <WSD> tags:  Behaving contrary to one's own nature, usually as a result of outside pressure.