The song "Getting Mighty Crowded" by Elvis Costello and The Attractions explores the theme of a crowded and suffocating relationship. The lyrics depict the narrator realizing that there isn't enough room in their shared dreams and lives for both themselves and their partner. The narrator decides to pack up their memories and move out of their partner's heart, symbolizing the end of the relationship. They hand in their keys, signifying their intention to leave their partner and their life behind. The lyrics suggest that the dreams and plans originally made for the couple cannot accommodate both individuals anymore. The narrator feels that the crowdedness of the relationship is becoming overwhelming and too much to bear. The song expresses the narrator's determination to find a new heart and life where they can live alone and not have to share with anyone else. They highlight their dissatisfaction with how they have been treated in the relationship and express their desire to distance themselves from the neighborhood and surroundings associated with their partner. The lyrics also mention the narrator's intent to shop around, indicating their willingness to explore other romantic possibilities. They want to find someone who will treat them better and provide them with the space and respect they deserve. Overall, "Getting Mighty Crowded" delves into the feelings of suffocation, dissatisfaction, and the need for personal space within a relationship. It portrays the narrator's journey to free themselves from a crowded situation and search for a more fulfilling and individualistic path.