The narrator expresses a deep sense of urgency to reveal the painful experiences he's endured, particularly regarding the hospital, a significant person named McMurphy, and other individuals. He feels that his long-standing silence is about to erupt, as if he’s holding back a torrent of emotions and experiences that need to be shared. This overwhelming need to speak reflects the weight of the trauma he has faced.
There’s a conflict within him as he grapples with the reality of his experiences, feeling they may be too horrific to accept as truth. Despite his struggles to make sense of everything, he acknowledges that the truth remains essential, even if it seems unbelievable. This complexity highlights the theme of confronting one's past and the difficulty of articulating such profound suffering.