Riding bikes would have been an acceptable activity to the questioner an excellent example of manipulating so she does not upset the questioner.
Another was her first comment “we laugh around”. Laughing would be acceptable. Phone sex. Like the text she mentioned she would have to deny, minimize or ignore
Eating to the point of obesity is one of the coping techniques of a young girl who has been used sexually. Get “fat enough they’ll leave me alone” have heard more than once. They also self medicate with drugs and alcohol to help forget and deal with the pain
Sociopathy?