"I'd stand in line for Confession with old people and little kids, and as the line moved up, I knew when I got into the box that I would lie! Again!"

In this quote, Mercedes McCambridge is reflecting on her experience of going to Confession, a spiritual practice in which one admits their sins to a priest. She points out standing in line with both old people and youngsters, showing that this is a practice that is done by people of any ages. As the line progresses, she realizes that when she enters the confessional box, she will be anticipated to admit her sins truthfully. However, she confesses that she will probably lie once again, suggesting that she battles with being completely truthful and transparent about her wrongdoings. This quote highlights the internal struggle and regret that can come with the act of admitting one's sins.