Trivia: Marilee Rush's "Angel of the Morning", featured in the film's soundtrack, was written by Angelina Jolie's uncle, Chip Taylor.
Trivia: The scene at the ice cream parlor was filmed at Eckel's Ice Cream Fountain in Mechanicsburg, Pennsylvania. There is a "Girl, Interrupted Sundae" on the menu. As of May 2024, they are temporarily closed.
Answer: I think it does play a part. She prefers the fantasy worlds to real life. Look when real life happens, or they hear about something... She looks so distraught and unable to really cope. Telling lies lets her create her own reality that she CAN deal with and be happy in with a sense of control.