The narrator expresses a strong desire to halt troubling thoughts related to Adam, indicating a struggle with overwhelming emotions. They describe a mental imagery of isolating these thoughts in a brain compartment, shutting down connections to prevent any of these thoughts from surfacing. This signifies a deep need for emotional control over chaotic feelings that seem to intrude on their peace.
Despite the unsightliness of this mental approach, with potential disruptions to other thoughts, the narrator feels it is necessary for their well-being. This metaphor shows how challenging it can be to manage complicated feelings and the drastic measures one might take to find some semblance of stability amidst emotional turmoil.