The song "Walls" by Horse Head explores the concept of emotional walls that the artist has built up as a defense mechanism. The lyrics depict the artist as feeling like a lost cause, having constructed barriers to protect themselves from getting hurt. The opening lines reveal the artist's reluctance to let anyone break through their walls, indicating a fear of vulnerability and potential heartbreak. However, in the next section, the lyrics mention a past encounter where someone managed to break down those walls and give their heart to the artist, creating a deep connection. The artist expresses regret for taking that person's heart and breaking it into pieces, suggesting that they have learned from their mistakes. The chorus reinforces the idea of being a lost cause, reiterating the walls built up around the artist's emotional state. The lyrics imply that the artist is guarding their heart, making it difficult for anyone to mend the broken pieces. The following lines evoke a bittersweet feeling, imagining how it would be to rely on and seek comfort from the person who broke down their walls. The artist wishes that person were older, implying a desire for someone more experienced or mature to help them overcome their emotional barriers. The lyrics convey a sense of longing and regret, acknowledging past mistakes that cannot be undone. The conclusion repeats the chorus, emphasizing the artist's self-perception as a lost cause with impenetrable walls. The lyrics express a fear of further heartbreak, reinforcing the belief that nobody will be able to break through those walls and pick up the shattered pieces. Overall, "Walls" by Horse Head delves into the themes of self-protection, regret, and the longing for emotional connection while grappling with the consequences of past actions.