In "Extremely Loud and Incredibly Close," the protagonist engages in a symbolic act of liberation by releasing various animals and insects from captivity. By opening the windows and birdcages, he creates a pathway for them to escape, allowing them to find freedom outside. This act signifies a desire to break free from constraints not only for the creatures but also reflects a deeper emotional struggle within himself.

The act of pouring the fish down the drain and removing the collars of the pets symbolizes letting go of attachments and responsibilities. By telling the animals, "Go," he grants them autonomy, while simultaneously seeking to redefine his own sense of freedom. The narrative highlights themes of loss, release, and the quest for personal liberation as he seeks closure and understanding in a world marked by grief.